Home / 163,724.82-225,819.36-112,753.74

Finding the Fourth Proportional to 163,724.82, 225,819.36 and 112,753.74

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Solution

The fourth proportional to 163,724.82, 225,819.36 and 112,753.74 is: 155,516.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,724.82 : 225,819.36 = 112,753.74 : x
  2. Step 2: Convert to fraction form
    163,724.82/225,819.36 = 112,753.74/x
  3. Step 3: Cross multiply
    163,724.82x = 225,819.36 × 112,753.74
  4. Step 4: Simplify right side
    163,724.82x = 25,461,977,404.41
  5. Step 5: Solve for x
    x = 25,461,977,404.41/163,724.82
  6. Step 6: Final answer
    x = 155,516.91

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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.