Home / 159,193.62-219,718.56-91,256.18

Finding the Fourth Proportional to 159,193.62, 219,718.56 and 91,256.18

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Solution

The fourth proportional to 159,193.62, 219,718.56 and 91,256.18 is: 125,951.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,193.62 : 219,718.56 = 91,256.18 : x
  2. Step 2: Convert to fraction form
    159,193.62/219,718.56 = 91,256.18/x
  3. Step 3: Cross multiply
    159,193.62x = 219,718.56 × 91,256.18
  4. Step 4: Simplify right side
    159,193.62x = 20,050,675,362.11
  5. Step 5: Solve for x
    x = 20,050,675,362.11/159,193.62
  6. Step 6: Final answer
    x = 125,951.50

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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.