Home / 179,909.12-248,348.52-122,737.16

Finding the Fourth Proportional to 179,909.12, 248,348.52 and 122,737.16

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Solution

The fourth proportional to 179,909.12, 248,348.52 and 122,737.16 is: 169,427.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,909.12 : 248,348.52 = 122,737.16 : x
  2. Step 2: Convert to fraction form
    179,909.12/248,348.52 = 122,737.16/x
  3. Step 3: Cross multiply
    179,909.12x = 248,348.52 × 122,737.16
  4. Step 4: Simplify right side
    179,909.12x = 30,481,592,035.00
  5. Step 5: Solve for x
    x = 30,481,592,035.00/179,909.12
  6. Step 6: Final answer
    x = 169,427.72

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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.