Home / 313,839.72-433,107.24-170,609.40

Finding the Fourth Proportional to 313,839.72, 433,107.24 and 170,609.40

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Solution

The fourth proportional to 313,839.72, 433,107.24 and 170,609.40 is: 235,445.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,839.72 : 433,107.24 = 170,609.40 : x
  2. Step 2: Convert to fraction form
    313,839.72/433,107.24 = 170,609.40/x
  3. Step 3: Cross multiply
    313,839.72x = 433,107.24 × 170,609.40
  4. Step 4: Simplify right side
    313,839.72x = 73,892,166,352.06
  5. Step 5: Solve for x
    x = 73,892,166,352.06/313,839.72
  6. Step 6: Final answer
    x = 235,445.55

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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.