Home / 160,979.70-222,140.88-89,354.09

Finding the Fourth Proportional to 160,979.70, 222,140.88 and 89,354.09

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Solution

The fourth proportional to 160,979.70, 222,140.88 and 89,354.09 is: 123,302.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,979.70 : 222,140.88 = 89,354.09 : x
  2. Step 2: Convert to fraction form
    160,979.70/222,140.88 = 89,354.09/x
  3. Step 3: Cross multiply
    160,979.70x = 222,140.88 × 89,354.09
  4. Step 4: Simplify right side
    160,979.70x = 19,849,195,073.49
  5. Step 5: Solve for x
    x = 19,849,195,073.49/160,979.70
  6. Step 6: Final answer
    x = 123,302.47

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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.