Home / 130,293.12-179,805.17-73,703.28

Finding the Fourth Proportional to 130,293.12, 179,805.17 and 73,703.28

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Solution

The fourth proportional to 130,293.12, 179,805.17 and 73,703.28 is: 101,710.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,293.12 : 179,805.17 = 73,703.28 : x
  2. Step 2: Convert to fraction form
    130,293.12/179,805.17 = 73,703.28/x
  3. Step 3: Cross multiply
    130,293.12x = 179,805.17 × 73,703.28
  4. Step 4: Simplify right side
    130,293.12x = 13,252,230,789.96
  5. Step 5: Solve for x
    x = 13,252,230,789.96/130,293.12
  6. Step 6: Final answer
    x = 101,710.90

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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.