Home / 162,856.12-244,204-77,443.24

Finding the Fourth Proportional to 162,856.12, 244,204 and 77,443.24

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Solution

The fourth proportional to 162,856.12, 244,204 and 77,443.24 is: 116,126.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,856.12 : 244,204 = 77,443.24 : x
  2. Step 2: Convert to fraction form
    162,856.12/244,204 = 77,443.24/x
  3. Step 3: Cross multiply
    162,856.12x = 244,204 × 77,443.24
  4. Step 4: Simplify right side
    162,856.12x = 18,911,948,980.96
  5. Step 5: Solve for x
    x = 18,911,948,980.96/162,856.12
  6. Step 6: Final answer
    x = 116,126.73

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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.