Home / 136,272.92-188,062.02-75,846.11

Finding the Fourth Proportional to 136,272.92, 188,062.02 and 75,846.11

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Solution

The fourth proportional to 136,272.92, 188,062.02 and 75,846.11 is: 104,670.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,272.92 : 188,062.02 = 75,846.11 : x
  2. Step 2: Convert to fraction form
    136,272.92/188,062.02 = 75,846.11/x
  3. Step 3: Cross multiply
    136,272.92x = 188,062.02 × 75,846.11
  4. Step 4: Simplify right side
    136,272.92x = 14,263,771,715.43
  5. Step 5: Solve for x
    x = 14,263,771,715.43/136,272.92
  6. Step 6: Final answer
    x = 104,670.63

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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.