Home / 311,276.70-429,544.23-183,964.14

Finding the Fourth Proportional to 311,276.70, 429,544.23 and 183,964.14

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Solution

The fourth proportional to 311,276.70, 429,544.23 and 183,964.14 is: 253,860.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,276.70 : 429,544.23 = 183,964.14 : x
  2. Step 2: Convert to fraction form
    311,276.70/429,544.23 = 183,964.14/x
  3. Step 3: Cross multiply
    311,276.70x = 429,544.23 × 183,964.14
  4. Step 4: Simplify right side
    311,276.70x = 79,020,734,863.91
  5. Step 5: Solve for x
    x = 79,020,734,863.91/311,276.70
  6. Step 6: Final answer
    x = 253,860.10

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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.