Home / 109,180.16-150,666.48-60,781.44

Finding the Fourth Proportional to 109,180.16, 150,666.48 and 60,781.44

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Solution

The fourth proportional to 109,180.16, 150,666.48 and 60,781.44 is: 83,877.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,180.16 : 150,666.48 = 60,781.44 : x
  2. Step 2: Convert to fraction form
    109,180.16/150,666.48 = 60,781.44/x
  3. Step 3: Cross multiply
    109,180.16x = 150,666.48 × 60,781.44
  4. Step 4: Simplify right side
    109,180.16x = 9,157,725,614.13
  5. Step 5: Solve for x
    x = 9,157,725,614.13/109,180.16
  6. Step 6: Final answer
    x = 83,877.20

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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.