Home / 160,872.97-222,031.22-89,276.08

Finding the Fourth Proportional to 160,872.97, 222,031.22 and 89,276.08

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Solution

The fourth proportional to 160,872.97, 222,031.22 and 89,276.08 is: 123,215.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,872.97 : 222,031.22 = 89,276.08 : x
  2. Step 2: Convert to fraction form
    160,872.97/222,031.22 = 89,276.08/x
  3. Step 3: Cross multiply
    160,872.97x = 222,031.22 × 89,276.08
  4. Step 4: Simplify right side
    160,872.97x = 19,822,076,959.22
  5. Step 5: Solve for x
    x = 19,822,076,959.22/160,872.97
  6. Step 6: Final answer
    x = 123,215.71

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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.