Home / 147,959.55-221,961.47-54,458.19

Finding the Fourth Proportional to 147,959.55, 221,961.47 and 54,458.19

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Solution

The fourth proportional to 147,959.55, 221,961.47 and 54,458.19 is: 81,695.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,959.55 : 221,961.47 = 54,458.19 : x
  2. Step 2: Convert to fraction form
    147,959.55/221,961.47 = 54,458.19/x
  3. Step 3: Cross multiply
    147,959.55x = 221,961.47 × 54,458.19
  4. Step 4: Simplify right side
    147,959.55x = 12,087,619,633.65
  5. Step 5: Solve for x
    x = 12,087,619,633.65/147,959.55
  6. Step 6: Final answer
    x = 81,695.43

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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.