Home / 160,578.90-221,612.49-88,981.38

Finding the Fourth Proportional to 160,578.90, 221,612.49 and 88,981.38

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Solution

The fourth proportional to 160,578.90, 221,612.49 and 88,981.38 is: 122,801.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,578.90 : 221,612.49 = 88,981.38 : x
  2. Step 2: Convert to fraction form
    160,578.90/221,612.49 = 88,981.38/x
  3. Step 3: Cross multiply
    160,578.90x = 221,612.49 × 88,981.38
  4. Step 4: Simplify right side
    160,578.90x = 19,719,385,185.44
  5. Step 5: Solve for x
    x = 19,719,385,185.44/160,578.90
  6. Step 6: Final answer
    x = 122,801.84

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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.