Home / 161,373.04-222,694.80-90,717.04

Finding the Fourth Proportional to 161,373.04, 222,694.80 and 90,717.04

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Solution

The fourth proportional to 161,373.04, 222,694.80 and 90,717.04 is: 125,189.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,373.04 : 222,694.80 = 90,717.04 : x
  2. Step 2: Convert to fraction form
    161,373.04/222,694.80 = 90,717.04/x
  3. Step 3: Cross multiply
    161,373.04x = 222,694.80 × 90,717.04
  4. Step 4: Simplify right side
    161,373.04x = 20,202,213,079.39
  5. Step 5: Solve for x
    x = 20,202,213,079.39/161,373.04
  6. Step 6: Final answer
    x = 125,189.52

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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.