Home / 224,222.81-309,349.85-143,694.72

Finding the Fourth Proportional to 224,222.81, 309,349.85 and 143,694.72

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Solution

The fourth proportional to 224,222.81, 309,349.85 and 143,694.72 is: 198,248.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,222.81 : 309,349.85 = 143,694.72 : x
  2. Step 2: Convert to fraction form
    224,222.81/309,349.85 = 143,694.72/x
  3. Step 3: Cross multiply
    224,222.81x = 309,349.85 × 143,694.72
  4. Step 4: Simplify right side
    224,222.81x = 44,451,939,359.32
  5. Step 5: Solve for x
    x = 44,451,939,359.32/224,222.81
  6. Step 6: Final answer
    x = 198,248.97

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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.