Home / 177,416.55-266,124.83-127,390.95

Finding the Fourth Proportional to 177,416.55, 266,124.83 and 127,390.95

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Solution

The fourth proportional to 177,416.55, 266,124.83 and 127,390.95 is: 191,086.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,416.55 : 266,124.83 = 127,390.95 : x
  2. Step 2: Convert to fraction form
    177,416.55/266,124.83 = 127,390.95/x
  3. Step 3: Cross multiply
    177,416.55x = 266,124.83 × 127,390.95
  4. Step 4: Simplify right side
    177,416.55x = 33,901,894,275.33
  5. Step 5: Solve for x
    x = 33,901,894,275.33/177,416.55
  6. Step 6: Final answer
    x = 191,086.43

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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.