Home / 159,462.27-220,058.10-87,842.34

Finding the Fourth Proportional to 159,462.27, 220,058.10 and 87,842.34

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Solution

The fourth proportional to 159,462.27, 220,058.10 and 87,842.34 is: 121,222.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,462.27 : 220,058.10 = 87,842.34 : x
  2. Step 2: Convert to fraction form
    159,462.27/220,058.10 = 87,842.34/x
  3. Step 3: Cross multiply
    159,462.27x = 220,058.10 × 87,842.34
  4. Step 4: Simplify right side
    159,462.27x = 19,330,418,439.95
  5. Step 5: Solve for x
    x = 19,330,418,439.95/159,462.27
  6. Step 6: Final answer
    x = 121,222.52

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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.