Home / 126,873.34-175,085.15-73,157.58

Finding the Fourth Proportional to 126,873.34, 175,085.15 and 73,157.58

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Solution

The fourth proportional to 126,873.34, 175,085.15 and 73,157.58 is: 100,957.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,873.34 : 175,085.15 = 73,157.58 : x
  2. Step 2: Convert to fraction form
    126,873.34/175,085.15 = 73,157.58/x
  3. Step 3: Cross multiply
    126,873.34x = 175,085.15 × 73,157.58
  4. Step 4: Simplify right side
    126,873.34x = 12,808,805,502.15
  5. Step 5: Solve for x
    x = 12,808,805,502.15/126,873.34
  6. Step 6: Final answer
    x = 100,957.43

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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.