Home / 422,525.32-633,345.10-156,115.91

Finding the Fourth Proportional to 422,525.32, 633,345.10 and 156,115.91

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Solution

The fourth proportional to 422,525.32, 633,345.10 and 156,115.91 is: 234,010.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,525.32 : 633,345.10 = 156,115.91 : x
  2. Step 2: Convert to fraction form
    422,525.32/633,345.10 = 156,115.91/x
  3. Step 3: Cross multiply
    422,525.32x = 633,345.10 × 156,115.91
  4. Step 4: Simplify right side
    422,525.32x = 98,875,247,823.61
  5. Step 5: Solve for x
    x = 98,875,247,823.61/422,525.32
  6. Step 6: Final answer
    x = 234,010.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.