Home / 131,713.25-197,547.76-47,457.71

Finding the Fourth Proportional to 131,713.25, 197,547.76 and 47,457.71

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Solution

The fourth proportional to 131,713.25, 197,547.76 and 47,457.71 is: 71,178.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,713.25 : 197,547.76 = 47,457.71 : x
  2. Step 2: Convert to fraction form
    131,713.25/197,547.76 = 47,457.71/x
  3. Step 3: Cross multiply
    131,713.25x = 197,547.76 × 47,457.71
  4. Step 4: Simplify right side
    131,713.25x = 9,375,163,198.85
  5. Step 5: Solve for x
    x = 9,375,163,198.85/131,713.25
  6. Step 6: Final answer
    x = 71,178.59

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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.