Home / 159,867.37-220,601.23-88,242.76

Finding the Fourth Proportional to 159,867.37, 220,601.23 and 88,242.76

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Solution

The fourth proportional to 159,867.37, 220,601.23 and 88,242.76 is: 121,766.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,867.37 : 220,601.23 = 88,242.76 : x
  2. Step 2: Convert to fraction form
    159,867.37/220,601.23 = 88,242.76/x
  3. Step 3: Cross multiply
    159,867.37x = 220,601.23 × 88,242.76
  4. Step 4: Simplify right side
    159,867.37x = 19,466,461,394.59
  5. Step 5: Solve for x
    x = 19,466,461,394.59/159,867.37
  6. Step 6: Final answer
    x = 121,766.32

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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.