Home / 130,614.60-180,246.15-73,253.91

Finding the Fourth Proportional to 130,614.60, 180,246.15 and 73,253.91

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Solution

The fourth proportional to 130,614.60, 180,246.15 and 73,253.91 is: 101,089.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,614.60 : 180,246.15 = 73,253.91 : x
  2. Step 2: Convert to fraction form
    130,614.60/180,246.15 = 73,253.91/x
  3. Step 3: Cross multiply
    130,614.60x = 180,246.15 × 73,253.91
  4. Step 4: Simplify right side
    130,614.60x = 13,203,735,249.95
  5. Step 5: Solve for x
    x = 13,203,735,249.95/130,614.60
  6. Step 6: Final answer
    x = 101,089.28

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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.