Home / 162,908.90-244,290.45-74,116.70

Finding the Fourth Proportional to 162,908.90, 244,290.45 and 74,116.70

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Solution

The fourth proportional to 162,908.90, 244,290.45 and 74,116.70 is: 111,141.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,908.90 : 244,290.45 = 74,116.70 : x
  2. Step 2: Convert to fraction form
    162,908.90/244,290.45 = 74,116.70/x
  3. Step 3: Cross multiply
    162,908.90x = 244,290.45 × 74,116.70
  4. Step 4: Simplify right side
    162,908.90x = 18,106,001,995.52
  5. Step 5: Solve for x
    x = 18,106,001,995.52/162,908.90
  6. Step 6: Final answer
    x = 111,141.88

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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.