Home / 134,611.48-185,772.06-74,182.12

Finding the Fourth Proportional to 134,611.48, 185,772.06 and 74,182.12

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Solution

The fourth proportional to 134,611.48, 185,772.06 and 74,182.12 is: 102,375.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,611.48 : 185,772.06 = 74,182.12 : x
  2. Step 2: Convert to fraction form
    134,611.48/185,772.06 = 74,182.12/x
  3. Step 3: Cross multiply
    134,611.48x = 185,772.06 × 74,182.12
  4. Step 4: Simplify right side
    134,611.48x = 13,780,965,247.57
  5. Step 5: Solve for x
    x = 13,780,965,247.57/134,611.48
  6. Step 6: Final answer
    x = 102,375.85

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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.