Home / 152,920.44-229,158.36-67,427.28

Finding the Fourth Proportional to 152,920.44, 229,158.36 and 67,427.28

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Solution

The fourth proportional to 152,920.44, 229,158.36 and 67,427.28 is: 101,042.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,920.44 : 229,158.36 = 67,427.28 : x
  2. Step 2: Convert to fraction form
    152,920.44/229,158.36 = 67,427.28/x
  3. Step 3: Cross multiply
    152,920.44x = 229,158.36 × 67,427.28
  4. Step 4: Simplify right side
    152,920.44x = 15,451,524,904.06
  5. Step 5: Solve for x
    x = 15,451,524,904.06/152,920.44
  6. Step 6: Final answer
    x = 101,042.90

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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.