Home / 313,934.30-433,217.49-170,689.40

Finding the Fourth Proportional to 313,934.30, 433,217.49 and 170,689.40

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Solution

The fourth proportional to 313,934.30, 433,217.49 and 170,689.40 is: 235,544.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,934.30 : 433,217.49 = 170,689.40 : x
  2. Step 2: Convert to fraction form
    313,934.30/433,217.49 = 170,689.40/x
  3. Step 3: Cross multiply
    313,934.30x = 433,217.49 × 170,689.40
  4. Step 4: Simplify right side
    313,934.30x = 73,945,633,437.61
  5. Step 5: Solve for x
    x = 73,945,633,437.61/313,934.30
  6. Step 6: Final answer
    x = 235,544.93

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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.