Home / 112,736.61-169,039.17-75,338.91

Finding the Fourth Proportional to 112,736.61, 169,039.17 and 75,338.91

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Solution

The fourth proportional to 112,736.61, 169,039.17 and 75,338.91 is: 112,964.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,736.61 : 169,039.17 = 75,338.91 : x
  2. Step 2: Convert to fraction form
    112,736.61/169,039.17 = 75,338.91/x
  3. Step 3: Cross multiply
    112,736.61x = 169,039.17 × 75,338.91
  4. Step 4: Simplify right side
    112,736.61x = 12,735,226,815.10
  5. Step 5: Solve for x
    x = 12,735,226,815.10/112,736.61
  6. Step 6: Final answer
    x = 112,964.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.