Home / 313,828.88-433,086.80-170,589.36

Finding the Fourth Proportional to 313,828.88, 433,086.80 and 170,589.36

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Solution

The fourth proportional to 313,828.88, 433,086.80 and 170,589.36 is: 235,414.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,828.88 : 433,086.80 = 170,589.36 : x
  2. Step 2: Convert to fraction form
    313,828.88/433,086.80 = 170,589.36/x
  3. Step 3: Cross multiply
    313,828.88x = 433,086.80 × 170,589.36
  4. Step 4: Simplify right side
    313,828.88x = 73,880,000,036.45
  5. Step 5: Solve for x
    x = 73,880,000,036.45/313,828.88
  6. Step 6: Final answer
    x = 235,414.92

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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.