Home / 147,928.80-204,163.02-84,272.52

Finding the Fourth Proportional to 147,928.80, 204,163.02 and 84,272.52

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Solution

The fourth proportional to 147,928.80, 204,163.02 and 84,272.52 is: 116,308.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,928.80 : 204,163.02 = 84,272.52 : x
  2. Step 2: Convert to fraction form
    147,928.80/204,163.02 = 84,272.52/x
  3. Step 3: Cross multiply
    147,928.80x = 204,163.02 × 84,272.52
  4. Step 4: Simplify right side
    147,928.80x = 17,205,332,186.21
  5. Step 5: Solve for x
    x = 17,205,332,186.21/147,928.80
  6. Step 6: Final answer
    x = 116,308.20

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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.