Home / 227,512.17-313,981.47-130,747.14

Finding the Fourth Proportional to 227,512.17, 313,981.47 and 130,747.14

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Solution

The fourth proportional to 227,512.17, 313,981.47 and 130,747.14 is: 180,439.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,512.17 : 313,981.47 = 130,747.14 : x
  2. Step 2: Convert to fraction form
    227,512.17/313,981.47 = 130,747.14/x
  3. Step 3: Cross multiply
    227,512.17x = 313,981.47 × 130,747.14
  4. Step 4: Simplify right side
    227,512.17x = 41,052,179,215.50
  5. Step 5: Solve for x
    x = 41,052,179,215.50/227,512.17
  6. Step 6: Final answer
    x = 180,439.49

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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.