Home / 147,224.49-220,857.39-72,347.58

Finding the Fourth Proportional to 147,224.49, 220,857.39 and 72,347.58

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Solution

The fourth proportional to 147,224.49, 220,857.39 and 72,347.58 is: 108,531.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,224.49 : 220,857.39 = 72,347.58 : x
  2. Step 2: Convert to fraction form
    147,224.49/220,857.39 = 72,347.58/x
  3. Step 3: Cross multiply
    147,224.49x = 220,857.39 × 72,347.58
  4. Step 4: Simplify right side
    147,224.49x = 15,978,497,691.62
  5. Step 5: Solve for x
    x = 15,978,497,691.62/147,224.49
  6. Step 6: Final answer
    x = 108,531.52

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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.