Home / 167,440.30-251,014.65-100,809.70

Finding the Fourth Proportional to 167,440.30, 251,014.65 and 100,809.70

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Solution

The fourth proportional to 167,440.30, 251,014.65 and 100,809.70 is: 151,126.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,440.30 : 251,014.65 = 100,809.70 : x
  2. Step 2: Convert to fraction form
    167,440.30/251,014.65 = 100,809.70/x
  3. Step 3: Cross multiply
    167,440.30x = 251,014.65 × 100,809.70
  4. Step 4: Simplify right side
    167,440.30x = 25,304,711,562.11
  5. Step 5: Solve for x
    x = 25,304,711,562.11/167,440.30
  6. Step 6: Final answer
    x = 151,126.77

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1.5x scale

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.