Home / 158,932.80-238,399.20-48,124.80

Finding the Fourth Proportional to 158,932.80, 238,399.20 and 48,124.80

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Solution

The fourth proportional to 158,932.80, 238,399.20 and 48,124.80 is: 72,187.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,932.80 : 238,399.20 = 48,124.80 : x
  2. Step 2: Convert to fraction form
    158,932.80/238,399.20 = 48,124.80/x
  3. Step 3: Cross multiply
    158,932.80x = 238,399.20 × 48,124.80
  4. Step 4: Simplify right side
    158,932.80x = 11,472,913,820.16
  5. Step 5: Solve for x
    x = 11,472,913,820.16/158,932.80
  6. Step 6: Final answer
    x = 72,187.20

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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.