Home / 313,757.04-433,021.56-186,432.72

Finding the Fourth Proportional to 313,757.04, 433,021.56 and 186,432.72

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Solution

The fourth proportional to 313,757.04, 433,021.56 and 186,432.72 is: 257,299.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,757.04 : 433,021.56 = 186,432.72 : x
  2. Step 2: Convert to fraction form
    313,757.04/433,021.56 = 186,432.72/x
  3. Step 3: Cross multiply
    313,757.04x = 433,021.56 × 186,432.72
  4. Step 4: Simplify right side
    313,757.04x = 80,729,387,249.44
  5. Step 5: Solve for x
    x = 80,729,387,249.44/313,757.04
  6. Step 6: Final answer
    x = 257,299.05

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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.