Home / 126,913.59-175,159.14-73,187.91

Finding the Fourth Proportional to 126,913.59, 175,159.14 and 73,187.91

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Solution

The fourth proportional to 126,913.59, 175,159.14 and 73,187.91 is: 101,009.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,913.59 : 175,159.14 = 73,187.91 : x
  2. Step 2: Convert to fraction form
    126,913.59/175,159.14 = 73,187.91/x
  3. Step 3: Cross multiply
    126,913.59x = 175,159.14 × 73,187.91
  4. Step 4: Simplify right side
    126,913.59x = 12,819,531,374.00
  5. Step 5: Solve for x
    x = 12,819,531,374.00/126,913.59
  6. Step 6: Final answer
    x = 101,009.92

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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.