Home / 177,655.20-266,470.65-57,710.40

Finding the Fourth Proportional to 177,655.20, 266,470.65 and 57,710.40

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Solution

The fourth proportional to 177,655.20, 266,470.65 and 57,710.40 is: 86,561.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,655.20 : 266,470.65 = 57,710.40 : x
  2. Step 2: Convert to fraction form
    177,655.20/266,470.65 = 57,710.40/x
  3. Step 3: Cross multiply
    177,655.20x = 266,470.65 × 57,710.40
  4. Step 4: Simplify right side
    177,655.20x = 15,378,127,799.76
  5. Step 5: Solve for x
    x = 15,378,127,799.76/177,655.20
  6. Step 6: Final answer
    x = 86,561.65

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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.