Home / 187,540.32-281,116.08-117,258.24

Finding the Fourth Proportional to 187,540.32, 281,116.08 and 117,258.24

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Solution

The fourth proportional to 187,540.32, 281,116.08 and 117,258.24 is: 175,765.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,540.32 : 281,116.08 = 117,258.24 : x
  2. Step 2: Convert to fraction form
    187,540.32/281,116.08 = 117,258.24/x
  3. Step 3: Cross multiply
    187,540.32x = 281,116.08 × 117,258.24
  4. Step 4: Simplify right side
    187,540.32x = 32,963,176,776.50
  5. Step 5: Solve for x
    x = 32,963,176,776.50/187,540.32
  6. Step 6: Final answer
    x = 175,765.81

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1.5x scale

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.