Home / 160,915.14-222,079.32-89,295.66

Finding the Fourth Proportional to 160,915.14, 222,079.32 and 89,295.66

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Solution

The fourth proportional to 160,915.14, 222,079.32 and 89,295.66 is: 123,237.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,915.14 : 222,079.32 = 89,295.66 : x
  2. Step 2: Convert to fraction form
    160,915.14/222,079.32 = 89,295.66/x
  3. Step 3: Cross multiply
    160,915.14x = 222,079.32 × 89,295.66
  4. Step 4: Simplify right side
    160,915.14x = 19,830,719,451.75
  5. Step 5: Solve for x
    x = 19,830,719,451.75/160,915.14
  6. Step 6: Final answer
    x = 123,237.13

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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.