Home / 136,125.59-187,853.47-75,694.94

Finding the Fourth Proportional to 136,125.59, 187,853.47 and 75,694.94

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Solution

The fourth proportional to 136,125.59, 187,853.47 and 75,694.94 is: 104,459.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,125.59 : 187,853.47 = 75,694.94 : x
  2. Step 2: Convert to fraction form
    136,125.59/187,853.47 = 75,694.94/x
  3. Step 3: Cross multiply
    136,125.59x = 187,853.47 × 75,694.94
  4. Step 4: Simplify right side
    136,125.59x = 14,219,557,140.44
  5. Step 5: Solve for x
    x = 14,219,557,140.44/136,125.59
  6. Step 6: Final answer
    x = 104,459.10

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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.