Home / 128,304.04-192,494.94-58,164.52

Finding the Fourth Proportional to 128,304.04, 192,494.94 and 58,164.52

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Solution

The fourth proportional to 128,304.04, 192,494.94 and 58,164.52 is: 87,264.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,304.04 : 192,494.94 = 58,164.52 : x
  2. Step 2: Convert to fraction form
    128,304.04/192,494.94 = 58,164.52/x
  3. Step 3: Cross multiply
    128,304.04x = 192,494.94 × 58,164.52
  4. Step 4: Simplify right side
    128,304.04x = 11,196,375,787.53
  5. Step 5: Solve for x
    x = 11,196,375,787.53/128,304.04
  6. Step 6: Final answer
    x = 87,264.41

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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.