Home / 171,679,590.40-257,519,385.60-164,983,433.80

Finding the Fourth Proportional to 171,679,590.40, 257,519,385.60 and 164,983,433.80

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Solution

The fourth proportional to 171,679,590.40, 257,519,385.60 and 164,983,433.80 is: 247,475,150.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,679,590.40 : 257,519,385.60 = 164,983,433.80 : x
  2. Step 2: Convert to fraction form
    171,679,590.40/257,519,385.60 = 164,983,433.80/x
  3. Step 3: Cross multiply
    171,679,590.40x = 257,519,385.60 × 164,983,433.80
  4. Step 4: Simplify right side
    171,679,590.40x = 42,486,432,506,354,272
  5. Step 5: Solve for x
    x = 42,486,432,506,354,272/171,679,590.40
  6. Step 6: Final answer
    x = 247,475,150.70

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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.