Home / 247,710.17-371,470.19-105,465.26

Finding the Fourth Proportional to 247,710.17, 371,470.19 and 105,465.26

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Solution

The fourth proportional to 247,710.17, 371,470.19 and 105,465.26 is: 158,157.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,710.17 : 371,470.19 = 105,465.26 : x
  2. Step 2: Convert to fraction form
    247,710.17/371,470.19 = 105,465.26/x
  3. Step 3: Cross multiply
    247,710.17x = 371,470.19 × 105,465.26
  4. Step 4: Simplify right side
    247,710.17x = 39,177,200,571.95
  5. Step 5: Solve for x
    x = 39,177,200,571.95/247,710.17
  6. Step 6: Final answer
    x = 158,157.42

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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.