Home / 102,318.73-141,200.18-59,306.67

Finding the Fourth Proportional to 102,318.73, 141,200.18 and 59,306.67

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Solution

The fourth proportional to 102,318.73, 141,200.18 and 59,306.67 is: 81,843.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,318.73 : 141,200.18 = 59,306.67 : x
  2. Step 2: Convert to fraction form
    102,318.73/141,200.18 = 59,306.67/x
  3. Step 3: Cross multiply
    102,318.73x = 141,200.18 × 59,306.67
  4. Step 4: Simplify right side
    102,318.73x = 8,374,112,479.20
  5. Step 5: Solve for x
    x = 8,374,112,479.20/102,318.73
  6. Step 6: Final answer
    x = 81,843.40

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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.