Home / 116,700.29-161,049.60-71,377.46

Finding the Fourth Proportional to 116,700.29, 161,049.60 and 71,377.46

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Solution

The fourth proportional to 116,700.29, 161,049.60 and 71,377.46 is: 98,502.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,700.29 : 161,049.60 = 71,377.46 : x
  2. Step 2: Convert to fraction form
    116,700.29/161,049.60 = 71,377.46/x
  3. Step 3: Cross multiply
    116,700.29x = 161,049.60 × 71,377.46
  4. Step 4: Simplify right side
    116,700.29x = 11,495,310,219.88
  5. Step 5: Solve for x
    x = 11,495,310,219.88/116,700.29
  6. Step 6: Final answer
    x = 98,502.85

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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.