Home / 136,106.36-187,827.36-75,682.52

Finding the Fourth Proportional to 136,106.36, 187,827.36 and 75,682.52

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Solution

The fourth proportional to 136,106.36, 187,827.36 and 75,682.52 is: 104,442.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,106.36 : 187,827.36 = 75,682.52 : x
  2. Step 2: Convert to fraction form
    136,106.36/187,827.36 = 75,682.52/x
  3. Step 3: Cross multiply
    136,106.36x = 187,827.36 × 75,682.52
  4. Step 4: Simplify right side
    136,106.36x = 14,215,247,929.75
  5. Step 5: Solve for x
    x = 14,215,247,929.75/136,106.36
  6. Step 6: Final answer
    x = 104,442.20

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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.