Home / 126,142.16-189,258.80-62,957.30

Finding the Fourth Proportional to 126,142.16, 189,258.80 and 62,957.30

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Solution

The fourth proportional to 126,142.16, 189,258.80 and 62,957.30 is: 94,458.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,142.16 : 189,258.80 = 62,957.30 : x
  2. Step 2: Convert to fraction form
    126,142.16/189,258.80 = 62,957.30/x
  3. Step 3: Cross multiply
    126,142.16x = 189,258.80 × 62,957.30
  4. Step 4: Simplify right side
    126,142.16x = 11,915,221,788.16
  5. Step 5: Solve for x
    x = 11,915,221,788.16/126,142.16
  6. Step 6: Final answer
    x = 94,458.68

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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.