Home / 187,106.10-281,350.35-156,693.30

Finding the Fourth Proportional to 187,106.10, 281,350.35 and 156,693.30

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Solution

The fourth proportional to 187,106.10, 281,350.35 and 156,693.30 is: 235,618.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,106.10 : 281,350.35 = 156,693.30 : x
  2. Step 2: Convert to fraction form
    187,106.10/281,350.35 = 156,693.30/x
  3. Step 3: Cross multiply
    187,106.10x = 281,350.35 × 156,693.30
  4. Step 4: Simplify right side
    187,106.10x = 44,085,714,797.66
  5. Step 5: Solve for x
    x = 44,085,714,797.66/187,106.10
  6. Step 6: Final answer
    x = 235,618.80

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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.