Home / 136,132.94-187,849.08-75,693.83

Finding the Fourth Proportional to 136,132.94, 187,849.08 and 75,693.83

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Solution

The fourth proportional to 136,132.94, 187,849.08 and 75,693.83 is: 104,449.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,132.94 : 187,849.08 = 75,693.83 : x
  2. Step 2: Convert to fraction form
    136,132.94/187,849.08 = 75,693.83/x
  3. Step 3: Cross multiply
    136,132.94x = 187,849.08 × 75,693.83
  4. Step 4: Simplify right side
    136,132.94x = 14,219,015,948.71
  5. Step 5: Solve for x
    x = 14,219,015,948.71/136,132.94
  6. Step 6: Final answer
    x = 104,449.49

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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.