Home / 247,787.10-371,694.77-70,280.16

Finding the Fourth Proportional to 247,787.10, 371,694.77 and 70,280.16

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Solution

The fourth proportional to 247,787.10, 371,694.77 and 70,280.16 is: 105,424.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,787.10 : 371,694.77 = 70,280.16 : x
  2. Step 2: Convert to fraction form
    247,787.10/371,694.77 = 70,280.16/x
  3. Step 3: Cross multiply
    247,787.10x = 371,694.77 × 70,280.16
  4. Step 4: Simplify right side
    247,787.10x = 26,122,766,820.38
  5. Step 5: Solve for x
    x = 26,122,766,820.38/247,787.10
  6. Step 6: Final answer
    x = 105,424.24

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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.