Home / 131,992.14-182,149.74-71,562.72

Finding the Fourth Proportional to 131,992.14, 182,149.74 and 71,562.72

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Solution

The fourth proportional to 131,992.14, 182,149.74 and 71,562.72 is: 98,756.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,992.14 : 182,149.74 = 71,562.72 : x
  2. Step 2: Convert to fraction form
    131,992.14/182,149.74 = 71,562.72/x
  3. Step 3: Cross multiply
    131,992.14x = 182,149.74 × 71,562.72
  4. Step 4: Simplify right side
    131,992.14x = 13,035,130,841.69
  5. Step 5: Solve for x
    x = 13,035,130,841.69/131,992.14
  6. Step 6: Final answer
    x = 98,756.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.