Home / 179,150.70-247,207.23-122,645.10

Finding the Fourth Proportional to 179,150.70, 247,207.23 and 122,645.10

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Solution

The fourth proportional to 179,150.70, 247,207.23 and 122,645.10 is: 169,236.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,150.70 : 247,207.23 = 122,645.10 : x
  2. Step 2: Convert to fraction form
    179,150.70/247,207.23 = 122,645.10/x
  3. Step 3: Cross multiply
    179,150.70x = 247,207.23 × 122,645.10
  4. Step 4: Simplify right side
    179,150.70x = 30,318,755,444.07
  5. Step 5: Solve for x
    x = 30,318,755,444.07/179,150.70
  6. Step 6: Final answer
    x = 169,236.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.