Home / 160,385.05-221,324.56-88,758.37

Finding the Fourth Proportional to 160,385.05, 221,324.56 and 88,758.37

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Solution

The fourth proportional to 160,385.05, 221,324.56 and 88,758.37 is: 122,482.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,385.05 : 221,324.56 = 88,758.37 : x
  2. Step 2: Convert to fraction form
    160,385.05/221,324.56 = 88,758.37/x
  3. Step 3: Cross multiply
    160,385.05x = 221,324.56 × 88,758.37
  4. Step 4: Simplify right side
    160,385.05x = 19,644,407,186.57
  5. Step 5: Solve for x
    x = 19,644,407,186.57/160,385.05
  6. Step 6: Final answer
    x = 122,482.78

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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.