Home / 112,238.57-154,890.14-61,251.71

Finding the Fourth Proportional to 112,238.57, 154,890.14 and 61,251.71

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Solution

The fourth proportional to 112,238.57, 154,890.14 and 61,251.71 is: 84,527.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,238.57 : 154,890.14 = 61,251.71 : x
  2. Step 2: Convert to fraction form
    112,238.57/154,890.14 = 61,251.71/x
  3. Step 3: Cross multiply
    112,238.57x = 154,890.14 × 61,251.71
  4. Step 4: Simplify right side
    112,238.57x = 9,487,285,630.88
  5. Step 5: Solve for x
    x = 9,487,285,630.88/112,238.57
  6. Step 6: Final answer
    x = 84,527.86

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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.