Home / 179,227.50-247,305-102,732.51

Finding the Fourth Proportional to 179,227.50, 247,305 and 102,732.51

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Solution

The fourth proportional to 179,227.50, 247,305 and 102,732.51 is: 141,754.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,227.50 : 247,305 = 102,732.51 : x
  2. Step 2: Convert to fraction form
    179,227.50/247,305 = 102,732.51/x
  3. Step 3: Cross multiply
    179,227.50x = 247,305 × 102,732.51
  4. Step 4: Simplify right side
    179,227.50x = 25,406,263,385.55
  5. Step 5: Solve for x
    x = 25,406,263,385.55/179,227.50
  6. Step 6: Final answer
    x = 141,754.27

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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.