Home / 341,834.73-512,653.28-131,422.65

Finding the Fourth Proportional to 341,834.73, 512,653.28 and 131,422.65

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Solution

The fourth proportional to 341,834.73, 512,653.28 and 131,422.65 is: 197,095.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,834.73 : 512,653.28 = 131,422.65 : x
  2. Step 2: Convert to fraction form
    341,834.73/512,653.28 = 131,422.65/x
  3. Step 3: Cross multiply
    341,834.73x = 512,653.28 × 131,422.65
  4. Step 4: Simplify right side
    341,834.73x = 67,374,251,931.68
  5. Step 5: Solve for x
    x = 67,374,251,931.68/341,834.73
  6. Step 6: Final answer
    x = 197,095.98

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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.