Home / 156,884.52-216,502.02-85,264.59

Finding the Fourth Proportional to 156,884.52, 216,502.02 and 85,264.59

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Solution

The fourth proportional to 156,884.52, 216,502.02 and 85,264.59 is: 117,665.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,884.52 : 216,502.02 = 85,264.59 : x
  2. Step 2: Convert to fraction form
    156,884.52/216,502.02 = 85,264.59/x
  3. Step 3: Cross multiply
    156,884.52x = 216,502.02 × 85,264.59
  4. Step 4: Simplify right side
    156,884.52x = 18,459,955,969.47
  5. Step 5: Solve for x
    x = 18,459,955,969.47/156,884.52
  6. Step 6: Final answer
    x = 117,665.89

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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.