Home / 147,933.52-204,149.68-84,270.40

Finding the Fourth Proportional to 147,933.52, 204,149.68 and 84,270.40

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Solution

The fourth proportional to 147,933.52, 204,149.68 and 84,270.40 is: 116,293.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,933.52 : 204,149.68 = 84,270.40 : x
  2. Step 2: Convert to fraction form
    147,933.52/204,149.68 = 84,270.40/x
  3. Step 3: Cross multiply
    147,933.52x = 204,149.68 × 84,270.40
  4. Step 4: Simplify right side
    147,933.52x = 17,203,775,193.47
  5. Step 5: Solve for x
    x = 17,203,775,193.47/147,933.52
  6. Step 6: Final answer
    x = 116,293.96

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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.