Home / 161,954.73-223,498.35-89,360.13

Finding the Fourth Proportional to 161,954.73, 223,498.35 and 89,360.13

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Solution

The fourth proportional to 161,954.73, 223,498.35 and 89,360.13 is: 123,317.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,954.73 : 223,498.35 = 89,360.13 : x
  2. Step 2: Convert to fraction form
    161,954.73/223,498.35 = 89,360.13/x
  3. Step 3: Cross multiply
    161,954.73x = 223,498.35 × 89,360.13
  4. Step 4: Simplify right side
    161,954.73x = 19,971,841,610.79
  5. Step 5: Solve for x
    x = 19,971,841,610.79/161,954.73
  6. Step 6: Final answer
    x = 123,317.43

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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.