Home / 161,657.29-223,113.45-123,344.29

Finding the Fourth Proportional to 161,657.29, 223,113.45 and 123,344.29

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Solution

The fourth proportional to 161,657.29, 223,113.45 and 123,344.29 is: 170,235.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,657.29 : 223,113.45 = 123,344.29 : x
  2. Step 2: Convert to fraction form
    161,657.29/223,113.45 = 123,344.29/x
  3. Step 3: Cross multiply
    161,657.29x = 223,113.45 × 123,344.29
  4. Step 4: Simplify right side
    161,657.29x = 27,519,770,079.70
  5. Step 5: Solve for x
    x = 27,519,770,079.70/161,657.29
  6. Step 6: Final answer
    x = 170,235.26

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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.