Home / 227,095.70-313,377.04-136,397.76

Finding the Fourth Proportional to 227,095.70, 313,377.04 and 136,397.76

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Solution

The fourth proportional to 227,095.70, 313,377.04 and 136,397.76 is: 188,219.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,095.70 : 313,377.04 = 136,397.76 : x
  2. Step 2: Convert to fraction form
    227,095.70/313,377.04 = 136,397.76/x
  3. Step 3: Cross multiply
    227,095.70x = 313,377.04 × 136,397.76
  4. Step 4: Simplify right side
    227,095.70x = 42,743,926,291.43
  5. Step 5: Solve for x
    x = 42,743,926,291.43/227,095.70
  6. Step 6: Final answer
    x = 188,219.88

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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.