Home / 161,680.88-223,110.96-89,081.52

Finding the Fourth Proportional to 161,680.88, 223,110.96 and 89,081.52

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Solution

The fourth proportional to 161,680.88, 223,110.96 and 89,081.52 is: 122,927.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,680.88 : 223,110.96 = 89,081.52 : x
  2. Step 2: Convert to fraction form
    161,680.88/223,110.96 = 89,081.52/x
  3. Step 3: Cross multiply
    161,680.88x = 223,110.96 × 89,081.52
  4. Step 4: Simplify right side
    161,680.88x = 19,875,063,445.46
  5. Step 5: Solve for x
    x = 19,875,063,445.46/161,680.88
  6. Step 6: Final answer
    x = 122,927.73

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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.