Home / 147,796.39-203,959.20-84,134.13

Finding the Fourth Proportional to 147,796.39, 203,959.20 and 84,134.13

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Solution

The fourth proportional to 147,796.39, 203,959.20 and 84,134.13 is: 116,105.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,796.39 : 203,959.20 = 84,134.13 : x
  2. Step 2: Convert to fraction form
    147,796.39/203,959.20 = 84,134.13/x
  3. Step 3: Cross multiply
    147,796.39x = 203,959.20 × 84,134.13
  4. Step 4: Simplify right side
    147,796.39x = 17,159,929,847.50
  5. Step 5: Solve for x
    x = 17,159,929,847.50/147,796.39
  6. Step 6: Final answer
    x = 116,105.20

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1.5x scale

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.