Home / 140,306.13-193,686.18-89,388.67

Finding the Fourth Proportional to 140,306.13, 193,686.18 and 89,388.67

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Solution

The fourth proportional to 140,306.13, 193,686.18 and 89,388.67 is: 123,396.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,306.13 : 193,686.18 = 89,388.67 : x
  2. Step 2: Convert to fraction form
    140,306.13/193,686.18 = 89,388.67/x
  3. Step 3: Cross multiply
    140,306.13x = 193,686.18 × 89,388.67
  4. Step 4: Simplify right side
    140,306.13x = 17,313,350,027.58
  5. Step 5: Solve for x
    x = 17,313,350,027.58/140,306.13
  6. Step 6: Final answer
    x = 123,396.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.