Home / 187,106.60-281,351.10-156,693.80

Finding the Fourth Proportional to 187,106.60, 281,351.10 and 156,693.80

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Solution

The fourth proportional to 187,106.60, 281,351.10 and 156,693.80 is: 235,619.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,106.60 : 281,351.10 = 156,693.80 : x
  2. Step 2: Convert to fraction form
    187,106.60/281,351.10 = 156,693.80/x
  3. Step 3: Cross multiply
    187,106.60x = 281,351.10 × 156,693.80
  4. Step 4: Simplify right side
    187,106.60x = 44,085,972,993.18
  5. Step 5: Solve for x
    x = 44,085,972,993.18/187,106.60
  6. Step 6: Final answer
    x = 235,619.55

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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.