Home / 156,321.81-215,728.08-95,925.81

Finding the Fourth Proportional to 156,321.81, 215,728.08 and 95,925.81

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Solution

The fourth proportional to 156,321.81, 215,728.08 and 95,925.81 is: 132,380.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,321.81 : 215,728.08 = 95,925.81 : x
  2. Step 2: Convert to fraction form
    156,321.81/215,728.08 = 95,925.81/x
  3. Step 3: Cross multiply
    156,321.81x = 215,728.08 × 95,925.81
  4. Step 4: Simplify right side
    156,321.81x = 20,693,890,813.74
  5. Step 5: Solve for x
    x = 20,693,890,813.74/156,321.81
  6. Step 6: Final answer
    x = 132,380.06

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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.