Home / 171,680,256.90-257,520,385.35-164,984,100.30

Finding the Fourth Proportional to 171,680,256.90, 257,520,385.35 and 164,984,100.30

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Solution

The fourth proportional to 171,680,256.90, 257,520,385.35 and 164,984,100.30 is: 247,476,150.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,680,256.90 : 257,520,385.35 = 164,984,100.30 : x
  2. Step 2: Convert to fraction form
    171,680,256.90/257,520,385.35 = 164,984,100.30/x
  3. Step 3: Cross multiply
    171,680,256.90x = 257,520,385.35 × 164,984,100.30
  4. Step 4: Simplify right side
    171,680,256.90x = 42,486,769,085,879,056
  5. Step 5: Solve for x
    x = 42,486,769,085,879,056/171,680,256.90
  6. Step 6: Final answer
    x = 247,476,150.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.