Home / 351,670.20-527,444.10-98,890.66

Finding the Fourth Proportional to 351,670.20, 527,444.10 and 98,890.66

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Solution

The fourth proportional to 351,670.20, 527,444.10 and 98,890.66 is: 148,318.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,670.20 : 527,444.10 = 98,890.66 : x
  2. Step 2: Convert to fraction form
    351,670.20/527,444.10 = 98,890.66/x
  3. Step 3: Cross multiply
    351,670.20x = 527,444.10 × 98,890.66
  4. Step 4: Simplify right side
    351,670.20x = 52,159,295,162.11
  5. Step 5: Solve for x
    x = 52,159,295,162.11/351,670.20
  6. Step 6: Final answer
    x = 148,318.78

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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.