Home / 162,201.12-223,832.91-89,602.56

Finding the Fourth Proportional to 162,201.12, 223,832.91 and 89,602.56

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Solution

The fourth proportional to 162,201.12, 223,832.91 and 89,602.56 is: 123,648.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,201.12 : 223,832.91 = 89,602.56 : x
  2. Step 2: Convert to fraction form
    162,201.12/223,832.91 = 89,602.56/x
  3. Step 3: Cross multiply
    162,201.12x = 223,832.91 × 89,602.56
  4. Step 4: Simplify right side
    162,201.12x = 20,056,001,748.25
  5. Step 5: Solve for x
    x = 20,056,001,748.25/162,201.12
  6. Step 6: Final answer
    x = 123,648.97

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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.