Home / 265,037.06-397,683.17-131,928.95

Finding the Fourth Proportional to 265,037.06, 397,683.17 and 131,928.95

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Solution

The fourth proportional to 265,037.06, 397,683.17 and 131,928.95 is: 197,956.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,037.06 : 397,683.17 = 131,928.95 : x
  2. Step 2: Convert to fraction form
    265,037.06/397,683.17 = 131,928.95/x
  3. Step 3: Cross multiply
    265,037.06x = 397,683.17 × 131,928.95
  4. Step 4: Simplify right side
    265,037.06x = 52,465,923,880.07
  5. Step 5: Solve for x
    x = 52,465,923,880.07/265,037.06
  6. Step 6: Final answer
    x = 197,956.93

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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.