Home / 130,169.48-179,631.50-73,580.85

Finding the Fourth Proportional to 130,169.48, 179,631.50 and 73,580.85

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Solution

The fourth proportional to 130,169.48, 179,631.50 and 73,580.85 is: 101,540.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,169.48 : 179,631.50 = 73,580.85 : x
  2. Step 2: Convert to fraction form
    130,169.48/179,631.50 = 73,580.85/x
  3. Step 3: Cross multiply
    130,169.48x = 179,631.50 × 73,580.85
  4. Step 4: Simplify right side
    130,169.48x = 13,217,438,088.87
  5. Step 5: Solve for x
    x = 13,217,438,088.87/130,169.48
  6. Step 6: Final answer
    x = 101,540.23

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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.