Home / 131,707.33-181,756.58-71,277.96

Finding the Fourth Proportional to 131,707.33, 181,756.58 and 71,277.96

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Solution

The fourth proportional to 131,707.33, 181,756.58 and 71,277.96 is: 98,363.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,707.33 : 181,756.58 = 71,277.96 : x
  2. Step 2: Convert to fraction form
    131,707.33/181,756.58 = 71,277.96/x
  3. Step 3: Cross multiply
    131,707.33x = 181,756.58 × 71,277.96
  4. Step 4: Simplify right side
    131,707.33x = 12,955,236,973.80
  5. Step 5: Solve for x
    x = 12,955,236,973.80/131,707.33
  6. Step 6: Final answer
    x = 98,363.83

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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.