Home / 109,522.62-151,141.11-59,221.50

Finding the Fourth Proportional to 109,522.62, 151,141.11 and 59,221.50

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Solution

The fourth proportional to 109,522.62, 151,141.11 and 59,221.50 is: 81,725.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,522.62 : 151,141.11 = 59,221.50 : x
  2. Step 2: Convert to fraction form
    109,522.62/151,141.11 = 59,221.50/x
  3. Step 3: Cross multiply
    109,522.62x = 151,141.11 × 59,221.50
  4. Step 4: Simplify right side
    109,522.62x = 8,950,803,245.87
  5. Step 5: Solve for x
    x = 8,950,803,245.87/109,522.62
  6. Step 6: Final answer
    x = 81,725.61

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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.