Home / 247,362.12-371,012.94-105,264.50

Finding the Fourth Proportional to 247,362.12, 371,012.94 and 105,264.50

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Solution

The fourth proportional to 247,362.12, 371,012.94 and 105,264.50 is: 157,883.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,362.12 : 371,012.94 = 105,264.50 : x
  2. Step 2: Convert to fraction form
    247,362.12/371,012.94 = 105,264.50/x
  3. Step 3: Cross multiply
    247,362.12x = 371,012.94 × 105,264.50
  4. Step 4: Simplify right side
    247,362.12x = 39,054,489,767.57
  5. Step 5: Solve for x
    x = 39,054,489,767.57/247,362.12
  6. Step 6: Final answer
    x = 157,883.87

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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.