Home / 136,268.50-187,889.65-93,268.71

Finding the Fourth Proportional to 136,268.50, 187,889.65 and 93,268.71

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Solution

The fourth proportional to 136,268.50, 187,889.65 and 93,268.71 is: 128,600.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,268.50 : 187,889.65 = 93,268.71 : x
  2. Step 2: Convert to fraction form
    136,268.50/187,889.65 = 93,268.71/x
  3. Step 3: Cross multiply
    136,268.50x = 187,889.65 × 93,268.71
  4. Step 4: Simplify right side
    136,268.50x = 17,524,225,277.85
  5. Step 5: Solve for x
    x = 17,524,225,277.85/136,268.50
  6. Step 6: Final answer
    x = 128,600.71

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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.