Home / 261,525.57-391,914.09-148,973.37

Finding the Fourth Proportional to 261,525.57, 391,914.09 and 148,973.37

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Solution

The fourth proportional to 261,525.57, 391,914.09 and 148,973.37 is: 223,246.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,525.57 : 391,914.09 = 148,973.37 : x
  2. Step 2: Convert to fraction form
    261,525.57/391,914.09 = 148,973.37/x
  3. Step 3: Cross multiply
    261,525.57x = 391,914.09 × 148,973.37
  4. Step 4: Simplify right side
    261,525.57x = 58,384,762,737.78
  5. Step 5: Solve for x
    x = 58,384,762,737.78/261,525.57
  6. Step 6: Final answer
    x = 223,246.86

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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.