Home / 177,811.61-266,925.78-140,396.90

Finding the Fourth Proportional to 177,811.61, 266,925.78 and 140,396.90

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Solution

The fourth proportional to 177,811.61, 266,925.78 and 140,396.90 is: 210,759.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,811.61 : 266,925.78 = 140,396.90 : x
  2. Step 2: Convert to fraction form
    177,811.61/266,925.78 = 140,396.90/x
  3. Step 3: Cross multiply
    177,811.61x = 266,925.78 × 140,396.90
  4. Step 4: Simplify right side
    177,811.61x = 37,475,550,707.45
  5. Step 5: Solve for x
    x = 37,475,550,707.45/177,811.61
  6. Step 6: Final answer
    x = 210,759.87

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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.