Home / 147,917.52-204,127.56-84,254.40

Finding the Fourth Proportional to 147,917.52, 204,127.56 and 84,254.40

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Solution

The fourth proportional to 147,917.52, 204,127.56 and 84,254.40 is: 116,271.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,917.52 : 204,127.56 = 84,254.40 : x
  2. Step 2: Convert to fraction form
    147,917.52/204,127.56 = 84,254.40/x
  3. Step 3: Cross multiply
    147,917.52x = 204,127.56 × 84,254.40
  4. Step 4: Simplify right side
    147,917.52x = 17,198,645,091.26
  5. Step 5: Solve for x
    x = 17,198,645,091.26/147,917.52
  6. Step 6: Final answer
    x = 116,271.86

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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.