Home / 156,732.19-216,345.62-93,069.55

Finding the Fourth Proportional to 156,732.19, 216,345.62 and 93,069.55

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Solution

The fourth proportional to 156,732.19, 216,345.62 and 93,069.55 is: 128,468.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,732.19 : 216,345.62 = 93,069.55 : x
  2. Step 2: Convert to fraction form
    156,732.19/216,345.62 = 93,069.55/x
  3. Step 3: Cross multiply
    156,732.19x = 216,345.62 × 93,069.55
  4. Step 4: Simplify right side
    156,732.19x = 20,135,189,497.87
  5. Step 5: Solve for x
    x = 20,135,189,497.87/156,732.19
  6. Step 6: Final answer
    x = 128,468.76

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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.