Home / 160,340.52-221,266.46-87,743.10

Finding the Fourth Proportional to 160,340.52, 221,266.46 and 87,743.10

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Solution

The fourth proportional to 160,340.52, 221,266.46 and 87,743.10 is: 121,083.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,340.52 : 221,266.46 = 87,743.10 : x
  2. Step 2: Convert to fraction form
    160,340.52/221,266.46 = 87,743.10/x
  3. Step 3: Cross multiply
    160,340.52x = 221,266.46 × 87,743.10
  4. Step 4: Simplify right side
    160,340.52x = 19,414,605,126.43
  5. Step 5: Solve for x
    x = 19,414,605,126.43/160,340.52
  6. Step 6: Final answer
    x = 121,083.59

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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.