Home / 445,210.02-667,565.28-192,332.61

Finding the Fourth Proportional to 445,210.02, 667,565.28 and 192,332.61

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Solution

The fourth proportional to 445,210.02, 667,565.28 and 192,332.61 is: 288,391.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,210.02 : 667,565.28 = 192,332.61 : x
  2. Step 2: Convert to fraction form
    445,210.02/667,565.28 = 192,332.61/x
  3. Step 3: Cross multiply
    445,210.02x = 667,565.28 × 192,332.61
  4. Step 4: Simplify right side
    445,210.02x = 128,394,572,647.78
  5. Step 5: Solve for x
    x = 128,394,572,647.78/445,210.02
  6. Step 6: Final answer
    x = 288,391.02

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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.