Home / 126,732.21-174,929.40-73,053.12

Finding the Fourth Proportional to 126,732.21, 174,929.40 and 73,053.12

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Solution

The fourth proportional to 126,732.21, 174,929.40 and 73,053.12 is: 100,835.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,732.21 : 174,929.40 = 73,053.12 : x
  2. Step 2: Convert to fraction form
    126,732.21/174,929.40 = 73,053.12/x
  3. Step 3: Cross multiply
    126,732.21x = 174,929.40 × 73,053.12
  4. Step 4: Simplify right side
    126,732.21x = 12,779,138,449.73
  5. Step 5: Solve for x
    x = 12,779,138,449.73/126,732.21
  6. Step 6: Final answer
    x = 100,835.76

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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.