Home / 313,962.60-433,245.78-177,999.24

Finding the Fourth Proportional to 313,962.60, 433,245.78 and 177,999.24

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Solution

The fourth proportional to 313,962.60, 433,245.78 and 177,999.24 is: 245,626.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,962.60 : 433,245.78 = 177,999.24 : x
  2. Step 2: Convert to fraction form
    313,962.60/433,245.78 = 177,999.24/x
  3. Step 3: Cross multiply
    313,962.60x = 433,245.78 × 177,999.24
  4. Step 4: Simplify right side
    313,962.60x = 77,117,419,573.21
  5. Step 5: Solve for x
    x = 77,117,419,573.21/313,962.60
  6. Step 6: Final answer
    x = 245,626.13

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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.