Home / 113,717.18-170,437.40-80,446.83

Finding the Fourth Proportional to 113,717.18, 170,437.40 and 80,446.83

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Solution

The fourth proportional to 113,717.18, 170,437.40 and 80,446.83 is: 120,572.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,717.18 : 170,437.40 = 80,446.83 : x
  2. Step 2: Convert to fraction form
    113,717.18/170,437.40 = 80,446.83/x
  3. Step 3: Cross multiply
    113,717.18x = 170,437.40 × 80,446.83
  4. Step 4: Simplify right side
    113,717.18x = 13,711,148,141.21
  5. Step 5: Solve for x
    x = 13,711,148,141.21/113,717.18
  6. Step 6: Final answer
    x = 120,572.36

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1.5x scale

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.