Home / 147,146.25-220,721.45-41,965.22

Finding the Fourth Proportional to 147,146.25, 220,721.45 and 41,965.22

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Solution

The fourth proportional to 147,146.25, 220,721.45 and 41,965.22 is: 62,948.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,146.25 : 220,721.45 = 41,965.22 : x
  2. Step 2: Convert to fraction form
    147,146.25/220,721.45 = 41,965.22/x
  3. Step 3: Cross multiply
    147,146.25x = 220,721.45 × 41,965.22
  4. Step 4: Simplify right side
    147,146.25x = 9,262,624,864.69
  5. Step 5: Solve for x
    x = 9,262,624,864.69/147,146.25
  6. Step 6: Final answer
    x = 62,948.43

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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.