Home / 156,336.48-215,569.62-113,230.71

Finding the Fourth Proportional to 156,336.48, 215,569.62 and 113,230.71

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Solution

The fourth proportional to 156,336.48, 215,569.62 and 113,230.71 is: 156,131.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,336.48 : 215,569.62 = 113,230.71 : x
  2. Step 2: Convert to fraction form
    156,336.48/215,569.62 = 113,230.71/x
  3. Step 3: Cross multiply
    156,336.48x = 215,569.62 × 113,230.71
  4. Step 4: Simplify right side
    156,336.48x = 24,409,101,127.03
  5. Step 5: Solve for x
    x = 24,409,101,127.03/156,336.48
  6. Step 6: Final answer
    x = 156,131.83

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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.