Home / 161,653.62-223,073.17-89,042.28

Finding the Fourth Proportional to 161,653.62, 223,073.17 and 89,042.28

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Solution

The fourth proportional to 161,653.62, 223,073.17 and 89,042.28 is: 122,873.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,653.62 : 223,073.17 = 89,042.28 : x
  2. Step 2: Convert to fraction form
    161,653.62/223,073.17 = 89,042.28/x
  3. Step 3: Cross multiply
    161,653.62x = 223,073.17 × 89,042.28
  4. Step 4: Simplify right side
    161,653.62x = 19,862,943,663.63
  5. Step 5: Solve for x
    x = 19,862,943,663.63/161,653.62
  6. Step 6: Final answer
    x = 122,873.49

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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.