Home / 297,140.20-409,990.41-176,320.80

Finding the Fourth Proportional to 297,140.20, 409,990.41 and 176,320.80

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Solution

The fourth proportional to 297,140.20, 409,990.41 and 176,320.80 is: 243,285.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,140.20 : 409,990.41 = 176,320.80 : x
  2. Step 2: Convert to fraction form
    297,140.20/409,990.41 = 176,320.80/x
  3. Step 3: Cross multiply
    297,140.20x = 409,990.41 × 176,320.80
  4. Step 4: Simplify right side
    297,140.20x = 72,289,837,083.53
  5. Step 5: Solve for x
    x = 72,289,837,083.53/297,140.20
  6. Step 6: Final answer
    x = 243,285.28

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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.