Home / 160,979.80-222,141.01-89,354.18

Finding the Fourth Proportional to 160,979.80, 222,141.01 and 89,354.18

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Solution

The fourth proportional to 160,979.80, 222,141.01 and 89,354.18 is: 123,302.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,979.80 : 222,141.01 = 89,354.18 : x
  2. Step 2: Convert to fraction form
    160,979.80/222,141.01 = 89,354.18/x
  3. Step 3: Cross multiply
    160,979.80x = 222,141.01 × 89,354.18
  4. Step 4: Simplify right side
    160,979.80x = 19,849,227,416.35
  5. Step 5: Solve for x
    x = 19,849,227,416.35/160,979.80
  6. Step 6: Final answer
    x = 123,302.60

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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.