Home / 131,732.12-197,597.86-101,789.88

Finding the Fourth Proportional to 131,732.12, 197,597.86 and 101,789.88

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Solution

The fourth proportional to 131,732.12, 197,597.86 and 101,789.88 is: 152,684.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,732.12 : 197,597.86 = 101,789.88 : x
  2. Step 2: Convert to fraction form
    131,732.12/197,597.86 = 101,789.88/x
  3. Step 3: Cross multiply
    131,732.12x = 197,597.86 × 101,789.88
  4. Step 4: Simplify right side
    131,732.12x = 20,113,462,457.66
  5. Step 5: Solve for x
    x = 20,113,462,457.66/131,732.12
  6. Step 6: Final answer
    x = 152,684.57

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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.