Home / 161,838.66-223,328.97-89,253.48

Finding the Fourth Proportional to 161,838.66, 223,328.97 and 89,253.48

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Solution

The fourth proportional to 161,838.66, 223,328.97 and 89,253.48 is: 123,165.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,838.66 : 223,328.97 = 89,253.48 : x
  2. Step 2: Convert to fraction form
    161,838.66/223,328.97 = 89,253.48/x
  3. Step 3: Cross multiply
    161,838.66x = 223,328.97 × 89,253.48
  4. Step 4: Simplify right side
    161,838.66x = 19,932,887,757.32
  5. Step 5: Solve for x
    x = 19,932,887,757.32/161,838.66
  6. Step 6: Final answer
    x = 123,165.18

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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.