Home / 287,356.57-396,522.23-176,957.66

Finding the Fourth Proportional to 287,356.57, 396,522.23 and 176,957.66

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Solution

The fourth proportional to 287,356.57, 396,522.23 and 176,957.66 is: 244,183.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,356.57 : 396,522.23 = 176,957.66 : x
  2. Step 2: Convert to fraction form
    287,356.57/396,522.23 = 176,957.66/x
  3. Step 3: Cross multiply
    287,356.57x = 396,522.23 × 176,957.66
  4. Step 4: Simplify right side
    287,356.57x = 70,167,647,309.53
  5. Step 5: Solve for x
    x = 70,167,647,309.53/287,356.57
  6. Step 6: Final answer
    x = 244,183.20

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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.