Home / 156,206.13-215,565.48-84,586.17

Finding the Fourth Proportional to 156,206.13, 215,565.48 and 84,586.17

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Solution

The fourth proportional to 156,206.13, 215,565.48 and 84,586.17 is: 116,729.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,206.13 : 215,565.48 = 84,586.17 : x
  2. Step 2: Convert to fraction form
    156,206.13/215,565.48 = 84,586.17/x
  3. Step 3: Cross multiply
    156,206.13x = 215,565.48 × 84,586.17
  4. Step 4: Simplify right side
    156,206.13x = 18,233,858,337.41
  5. Step 5: Solve for x
    x = 18,233,858,337.41/156,206.13
  6. Step 6: Final answer
    x = 116,729.47

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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.