Home / 161,937.43-223,463.55-89,341.26

Finding the Fourth Proportional to 161,937.43, 223,463.55 and 89,341.26

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Solution

The fourth proportional to 161,937.43, 223,463.55 and 89,341.26 is: 123,285.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,937.43 : 223,463.55 = 89,341.26 : x
  2. Step 2: Convert to fraction form
    161,937.43/223,463.55 = 89,341.26/x
  3. Step 3: Cross multiply
    161,937.43x = 223,463.55 × 89,341.26
  4. Step 4: Simplify right side
    161,937.43x = 19,964,515,121.07
  5. Step 5: Solve for x
    x = 19,964,515,121.07/161,937.43
  6. Step 6: Final answer
    x = 123,285.36

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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.