Home / 177,788.55-266,628.15-51,440.70

Finding the Fourth Proportional to 177,788.55, 266,628.15 and 51,440.70

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Solution

The fourth proportional to 177,788.55, 266,628.15 and 51,440.70 is: 77,145.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,788.55 : 266,628.15 = 51,440.70 : x
  2. Step 2: Convert to fraction form
    177,788.55/266,628.15 = 51,440.70/x
  3. Step 3: Cross multiply
    177,788.55x = 266,628.15 × 51,440.70
  4. Step 4: Simplify right side
    177,788.55x = 13,715,538,675.71
  5. Step 5: Solve for x
    x = 13,715,538,675.71/177,788.55
  6. Step 6: Final answer
    x = 77,145.23

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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.