Home / 130,788.67-180,475.89-73,414.85

Finding the Fourth Proportional to 130,788.67, 180,475.89 and 73,414.85

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Solution

The fourth proportional to 130,788.67, 180,475.89 and 73,414.85 is: 101,305.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,788.67 : 180,475.89 = 73,414.85 : x
  2. Step 2: Convert to fraction form
    130,788.67/180,475.89 = 73,414.85/x
  3. Step 3: Cross multiply
    130,788.67x = 180,475.89 × 73,414.85
  4. Step 4: Simplify right side
    130,788.67x = 13,249,610,392.97
  5. Step 5: Solve for x
    x = 13,249,610,392.97/130,788.67
  6. Step 6: Final answer
    x = 101,305.49

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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.