Home / 313,845.10-433,113.69-177,892.90

Finding the Fourth Proportional to 313,845.10, 433,113.69 and 177,892.90

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Solution

The fourth proportional to 313,845.10, 433,113.69 and 177,892.90 is: 245,496.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,845.10 : 433,113.69 = 177,892.90 : x
  2. Step 2: Convert to fraction form
    313,845.10/433,113.69 = 177,892.90/x
  3. Step 3: Cross multiply
    313,845.10x = 433,113.69 × 177,892.90
  4. Step 4: Simplify right side
    313,845.10x = 77,047,850,343.80
  5. Step 5: Solve for x
    x = 77,047,850,343.80/313,845.10
  6. Step 6: Final answer
    x = 245,496.43

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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.