Home / 130,177.46-179,572.60-75,723.50

Finding the Fourth Proportional to 130,177.46, 179,572.60 and 75,723.50

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Solution

The fourth proportional to 130,177.46, 179,572.60 and 75,723.50 is: 104,456.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,177.46 : 179,572.60 = 75,723.50 : x
  2. Step 2: Convert to fraction form
    130,177.46/179,572.60 = 75,723.50/x
  3. Step 3: Cross multiply
    130,177.46x = 179,572.60 × 75,723.50
  4. Step 4: Simplify right side
    130,177.46x = 13,597,864,878.24
  5. Step 5: Solve for x
    x = 13,597,864,878.24/130,177.46
  6. Step 6: Final answer
    x = 104,456.37

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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.