Home / 126,497.92-189,725.36-42,248.52

Finding the Fourth Proportional to 126,497.92, 189,725.36 and 42,248.52

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Solution

The fourth proportional to 126,497.92, 189,725.36 and 42,248.52 is: 63,365.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,497.92 : 189,725.36 = 42,248.52 : x
  2. Step 2: Convert to fraction form
    126,497.92/189,725.36 = 42,248.52/x
  3. Step 3: Cross multiply
    126,497.92x = 189,725.36 × 42,248.52
  4. Step 4: Simplify right side
    126,497.92x = 8,015,615,666.47
  5. Step 5: Solve for x
    x = 8,015,615,666.47/126,497.92
  6. Step 6: Final answer
    x = 63,365.59

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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.