Home / 159,175.32-238,765.61-127,438.30

Finding the Fourth Proportional to 159,175.32, 238,765.61 and 127,438.30

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Solution

The fourth proportional to 159,175.32, 238,765.61 and 127,438.30 is: 191,159.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,175.32 : 238,765.61 = 127,438.30 : x
  2. Step 2: Convert to fraction form
    159,175.32/238,765.61 = 127,438.30/x
  3. Step 3: Cross multiply
    159,175.32x = 238,765.61 × 127,438.30
  4. Step 4: Simplify right side
    159,175.32x = 30,427,883,436.86
  5. Step 5: Solve for x
    x = 30,427,883,436.86/159,175.32
  6. Step 6: Final answer
    x = 191,159.56

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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.