Home / 147,176.86-220,632.18-53,660.74

Finding the Fourth Proportional to 147,176.86, 220,632.18 and 53,660.74

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Solution

The fourth proportional to 147,176.86, 220,632.18 and 53,660.74 is: 80,442.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,176.86 : 220,632.18 = 53,660.74 : x
  2. Step 2: Convert to fraction form
    147,176.86/220,632.18 = 53,660.74/x
  3. Step 3: Cross multiply
    147,176.86x = 220,632.18 × 53,660.74
  4. Step 4: Simplify right side
    147,176.86x = 11,839,286,046.61
  5. Step 5: Solve for x
    x = 11,839,286,046.61/147,176.86
  6. Step 6: Final answer
    x = 80,442.58

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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.