Home / 106,624.20-147,143.68-58,880.56

Finding the Fourth Proportional to 106,624.20, 147,143.68 and 58,880.56

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Solution

The fourth proportional to 106,624.20, 147,143.68 and 58,880.56 is: 81,256.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,624.20 : 147,143.68 = 58,880.56 : x
  2. Step 2: Convert to fraction form
    106,624.20/147,143.68 = 58,880.56/x
  3. Step 3: Cross multiply
    106,624.20x = 147,143.68 × 58,880.56
  4. Step 4: Simplify right side
    106,624.20x = 8,663,902,278.86
  5. Step 5: Solve for x
    x = 8,663,902,278.86/106,624.20
  6. Step 6: Final answer
    x = 81,256.43

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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.