Home / 224,315.66-309,478.07-143,787.62

Finding the Fourth Proportional to 224,315.66, 309,478.07 and 143,787.62

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Solution

The fourth proportional to 224,315.66, 309,478.07 and 143,787.62 is: 198,377.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,315.66 : 309,478.07 = 143,787.62 : x
  2. Step 2: Convert to fraction form
    224,315.66/309,478.07 = 143,787.62/x
  3. Step 3: Cross multiply
    224,315.66x = 309,478.07 × 143,787.62
  4. Step 4: Simplify right side
    224,315.66x = 44,499,112,861.17
  5. Step 5: Solve for x
    x = 44,499,112,861.17/224,315.66
  6. Step 6: Final answer
    x = 198,377.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.