Home / 130,821.30-180,535.28-73,473.03

Finding the Fourth Proportional to 130,821.30, 180,535.28 and 73,473.03

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Solution

The fourth proportional to 130,821.30, 180,535.28 and 73,473.03 is: 101,393.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,821.30 : 180,535.28 = 73,473.03 : x
  2. Step 2: Convert to fraction form
    130,821.30/180,535.28 = 73,473.03/x
  3. Step 3: Cross multiply
    130,821.30x = 180,535.28 × 73,473.03
  4. Step 4: Simplify right side
    130,821.30x = 13,264,472,773.46
  5. Step 5: Solve for x
    x = 13,264,472,773.46/130,821.30
  6. Step 6: Final answer
    x = 101,393.83

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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.