Home / 131,729.28-197,594.06-61,657.80

Finding the Fourth Proportional to 131,729.28, 197,594.06 and 61,657.80

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Solution

The fourth proportional to 131,729.28, 197,594.06 and 61,657.80 is: 92,486.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,729.28 : 197,594.06 = 61,657.80 : x
  2. Step 2: Convert to fraction form
    131,729.28/197,594.06 = 61,657.80/x
  3. Step 3: Cross multiply
    131,729.28x = 197,594.06 × 61,657.80
  4. Step 4: Simplify right side
    131,729.28x = 12,183,215,032.67
  5. Step 5: Solve for x
    x = 12,183,215,032.67/131,729.28
  6. Step 6: Final answer
    x = 92,486.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.