Home / 162,891.20-244,328.70-84,013.40

Finding the Fourth Proportional to 162,891.20, 244,328.70 and 84,013.40

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Solution

The fourth proportional to 162,891.20, 244,328.70 and 84,013.40 is: 126,015.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,891.20 : 244,328.70 = 84,013.40 : x
  2. Step 2: Convert to fraction form
    162,891.20/244,328.70 = 84,013.40/x
  3. Step 3: Cross multiply
    162,891.20x = 244,328.70 × 84,013.40
  4. Step 4: Simplify right side
    162,891.20x = 20,526,884,804.58
  5. Step 5: Solve for x
    x = 20,526,884,804.58/162,891.20
  6. Step 6: Final answer
    x = 126,015.92

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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.