Home / 147,041.73-220,646.43-122,380.47

Finding the Fourth Proportional to 147,041.73, 220,646.43 and 122,380.47

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Solution

The fourth proportional to 147,041.73, 220,646.43 and 122,380.47 is: 183,640.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,041.73 : 220,646.43 = 122,380.47 : x
  2. Step 2: Convert to fraction form
    147,041.73/220,646.43 = 122,380.47/x
  3. Step 3: Cross multiply
    147,041.73x = 220,646.43 × 122,380.47
  4. Step 4: Simplify right side
    147,041.73x = 27,002,813,807.22
  5. Step 5: Solve for x
    x = 27,002,813,807.22/147,041.73
  6. Step 6: Final answer
    x = 183,640.48

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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.