Home / 156,781.79-216,359.40-92,253.49

Finding the Fourth Proportional to 156,781.79, 216,359.40 and 92,253.49

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Solution

The fourth proportional to 156,781.79, 216,359.40 and 92,253.49 is: 127,310.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,781.79 : 216,359.40 = 92,253.49 : x
  2. Step 2: Convert to fraction form
    156,781.79/216,359.40 = 92,253.49/x
  3. Step 3: Cross multiply
    156,781.79x = 216,359.40 × 92,253.49
  4. Step 4: Simplify right side
    156,781.79x = 19,959,909,549.36
  5. Step 5: Solve for x
    x = 19,959,909,549.36/156,781.79
  6. Step 6: Final answer
    x = 127,310.13

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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.