Home / 118,204.48-163,118.64-64,490.56

Finding the Fourth Proportional to 118,204.48, 163,118.64 and 64,490.56

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Solution

The fourth proportional to 118,204.48, 163,118.64 and 64,490.56 is: 88,995.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,204.48 : 163,118.64 = 64,490.56 : x
  2. Step 2: Convert to fraction form
    118,204.48/163,118.64 = 64,490.56/x
  3. Step 3: Cross multiply
    118,204.48x = 163,118.64 × 64,490.56
  4. Step 4: Simplify right side
    118,204.48x = 10,519,612,440.04
  5. Step 5: Solve for x
    x = 10,519,612,440.04/118,204.48
  6. Step 6: Final answer
    x = 88,995.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.