Home / 131,689.39-197,559-41,754.76

Finding the Fourth Proportional to 131,689.39, 197,559 and 41,754.76

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Solution

The fourth proportional to 131,689.39, 197,559 and 41,754.76 is: 62,640.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,689.39 : 197,559 = 41,754.76 : x
  2. Step 2: Convert to fraction form
    131,689.39/197,559 = 41,754.76/x
  3. Step 3: Cross multiply
    131,689.39x = 197,559 × 41,754.76
  4. Step 4: Simplify right side
    131,689.39x = 8,249,028,630.84
  5. Step 5: Solve for x
    x = 8,249,028,630.84/131,689.39
  6. Step 6: Final answer
    x = 62,640.04

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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.