Home / 177,320.30-265,764.45-77,269.10

Finding the Fourth Proportional to 177,320.30, 265,764.45 and 77,269.10

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Solution

The fourth proportional to 177,320.30, 265,764.45 and 77,269.10 is: 115,809.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,320.30 : 265,764.45 = 77,269.10 : x
  2. Step 2: Convert to fraction form
    177,320.30/265,764.45 = 77,269.10/x
  3. Step 3: Cross multiply
    177,320.30x = 265,764.45 × 77,269.10
  4. Step 4: Simplify right side
    177,320.30x = 20,535,379,863.50
  5. Step 5: Solve for x
    x = 20,535,379,863.50/177,320.30
  6. Step 6: Final answer
    x = 115,809.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.