Home / 160,391.53-221,344.01-88,774.57

Finding the Fourth Proportional to 160,391.53, 221,344.01 and 88,774.57

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Solution

The fourth proportional to 160,391.53, 221,344.01 and 88,774.57 is: 122,510.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,391.53 : 221,344.01 = 88,774.57 : x
  2. Step 2: Convert to fraction form
    160,391.53/221,344.01 = 88,774.57/x
  3. Step 3: Cross multiply
    160,391.53x = 221,344.01 × 88,774.57
  4. Step 4: Simplify right side
    160,391.53x = 19,649,719,309.83
  5. Step 5: Solve for x
    x = 19,649,719,309.83/160,391.53
  6. Step 6: Final answer
    x = 122,510.95

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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.