Home / 313,768.38-433,003.23-170,528.79

Finding the Fourth Proportional to 313,768.38, 433,003.23 and 170,528.79

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Solution

The fourth proportional to 313,768.38, 433,003.23 and 170,528.79 is: 235,331.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,768.38 : 433,003.23 = 170,528.79 : x
  2. Step 2: Convert to fraction form
    313,768.38/433,003.23 = 170,528.79/x
  3. Step 3: Cross multiply
    313,768.38x = 433,003.23 × 170,528.79
  4. Step 4: Simplify right side
    313,768.38x = 73,839,516,877.99
  5. Step 5: Solve for x
    x = 73,839,516,877.99/313,768.38
  6. Step 6: Final answer
    x = 235,331.29

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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.