Home / 311,222.18-429,482.45-175,269.56

Finding the Fourth Proportional to 311,222.18, 429,482.45 and 175,269.56

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Solution

The fourth proportional to 311,222.18, 429,482.45 and 175,269.56 is: 241,869.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,222.18 : 429,482.45 = 175,269.56 : x
  2. Step 2: Convert to fraction form
    311,222.18/429,482.45 = 175,269.56/x
  3. Step 3: Cross multiply
    311,222.18x = 429,482.45 × 175,269.56
  4. Step 4: Simplify right side
    311,222.18x = 75,275,198,329.98
  5. Step 5: Solve for x
    x = 75,275,198,329.98/311,222.18
  6. Step 6: Final answer
    x = 241,869.64

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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.