Home / 160,996.65-222,168.49-89,381.22

Finding the Fourth Proportional to 160,996.65, 222,168.49 and 89,381.22

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Solution

The fourth proportional to 160,996.65, 222,168.49 and 89,381.22 is: 123,342.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,996.65 : 222,168.49 = 89,381.22 : x
  2. Step 2: Convert to fraction form
    160,996.65/222,168.49 = 89,381.22/x
  3. Step 3: Cross multiply
    160,996.65x = 222,168.49 × 89,381.22
  4. Step 4: Simplify right side
    160,996.65x = 19,857,690,681.76
  5. Step 5: Solve for x
    x = 19,857,690,681.76/160,996.65
  6. Step 6: Final answer
    x = 123,342.26

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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.