Home / 136,255.91-187,872.32-93,256.15

Finding the Fourth Proportional to 136,255.91, 187,872.32 and 93,256.15

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Solution

The fourth proportional to 136,255.91, 187,872.32 and 93,256.15 is: 128,583.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,255.91 : 187,872.32 = 93,256.15 : x
  2. Step 2: Convert to fraction form
    136,255.91/187,872.32 = 93,256.15/x
  3. Step 3: Cross multiply
    136,255.91x = 187,872.32 × 93,256.15
  4. Step 4: Simplify right side
    136,255.91x = 17,520,247,849.13
  5. Step 5: Solve for x
    x = 17,520,247,849.13/136,255.91
  6. Step 6: Final answer
    x = 128,583.40

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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.