Home / 250,770.38-346,063.09-143,342.72

Finding the Fourth Proportional to 250,770.38, 346,063.09 and 143,342.72

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Solution

The fourth proportional to 250,770.38, 346,063.09 and 143,342.72 is: 197,812.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,770.38 : 346,063.09 = 143,342.72 : x
  2. Step 2: Convert to fraction form
    250,770.38/346,063.09 = 143,342.72/x
  3. Step 3: Cross multiply
    250,770.38x = 346,063.09 × 143,342.72
  4. Step 4: Simplify right side
    250,770.38x = 49,605,624,612.20
  5. Step 5: Solve for x
    x = 49,605,624,612.20/250,770.38
  6. Step 6: Final answer
    x = 197,812.93

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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.