Home / 160,238.39-221,127.58-88,616.87

Finding the Fourth Proportional to 160,238.39, 221,127.58 and 88,616.87

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Solution

The fourth proportional to 160,238.39, 221,127.58 and 88,616.87 is: 122,290.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,238.39 : 221,127.58 = 88,616.87 : x
  2. Step 2: Convert to fraction form
    160,238.39/221,127.58 = 88,616.87/x
  3. Step 3: Cross multiply
    160,238.39x = 221,127.58 × 88,616.87
  4. Step 4: Simplify right side
    160,238.39x = 19,595,634,010.27
  5. Step 5: Solve for x
    x = 19,595,634,010.27/160,238.39
  6. Step 6: Final answer
    x = 122,290.51

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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.