Home / 156,235.29-215,617.97-88,264.73

Finding the Fourth Proportional to 156,235.29, 215,617.97 and 88,264.73

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Solution

The fourth proportional to 156,235.29, 215,617.97 and 88,264.73 is: 121,812.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,235.29 : 215,617.97 = 88,264.73 : x
  2. Step 2: Convert to fraction form
    156,235.29/215,617.97 = 88,264.73/x
  3. Step 3: Cross multiply
    156,235.29x = 215,617.97 × 88,264.73
  4. Step 4: Simplify right side
    156,235.29x = 19,031,460,385.78
  5. Step 5: Solve for x
    x = 19,031,460,385.78/156,235.29
  6. Step 6: Final answer
    x = 121,812.81

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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.