Home / 175,084.46-262,708.71-86,289.53

Finding the Fourth Proportional to 175,084.46, 262,708.71 and 86,289.53

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Solution

The fourth proportional to 175,084.46, 262,708.71 and 86,289.53 is: 129,474.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,084.46 : 262,708.71 = 86,289.53 : x
  2. Step 2: Convert to fraction form
    175,084.46/262,708.71 = 86,289.53/x
  3. Step 3: Cross multiply
    175,084.46x = 262,708.71 × 86,289.53
  4. Step 4: Simplify right side
    175,084.46x = 22,669,010,453.63
  5. Step 5: Solve for x
    x = 22,669,010,453.63/175,084.46
  6. Step 6: Final answer
    x = 129,474.71

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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.