Home / 160,868.33-221,988.28-89,246.91

Finding the Fourth Proportional to 160,868.33, 221,988.28 and 89,246.91

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Solution

The fourth proportional to 160,868.33, 221,988.28 and 89,246.91 is: 123,155.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,868.33 : 221,988.28 = 89,246.91 : x
  2. Step 2: Convert to fraction form
    160,868.33/221,988.28 = 89,246.91/x
  3. Step 3: Cross multiply
    160,868.33x = 221,988.28 × 89,246.91
  4. Step 4: Simplify right side
    160,868.33x = 19,811,768,046.21
  5. Step 5: Solve for x
    x = 19,811,768,046.21/160,868.33
  6. Step 6: Final answer
    x = 123,155.18

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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.