Home / 177,141.12-244,522.98-129,770.70

Finding the Fourth Proportional to 177,141.12, 244,522.98 and 129,770.70

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Solution

The fourth proportional to 177,141.12, 244,522.98 and 129,770.70 is: 179,133.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,141.12 : 244,522.98 = 129,770.70 : x
  2. Step 2: Convert to fraction form
    177,141.12/244,522.98 = 129,770.70/x
  3. Step 3: Cross multiply
    177,141.12x = 244,522.98 × 129,770.70
  4. Step 4: Simplify right side
    177,141.12x = 31,731,918,280.69
  5. Step 5: Solve for x
    x = 31,731,918,280.69/177,141.12
  6. Step 6: Final answer
    x = 179,133.55

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1.5x scale

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.