Home / 227,211.64-313,558.38-130,423.84

Finding the Fourth Proportional to 227,211.64, 313,558.38 and 130,423.84

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Solution

The fourth proportional to 227,211.64, 313,558.38 and 130,423.84 is: 179,988.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,211.64 : 313,558.38 = 130,423.84 : x
  2. Step 2: Convert to fraction form
    227,211.64/313,558.38 = 130,423.84/x
  3. Step 3: Cross multiply
    227,211.64x = 313,558.38 × 130,423.84
  4. Step 4: Simplify right side
    227,211.64x = 40,895,487,983.78
  5. Step 5: Solve for x
    x = 40,895,487,983.78/227,211.64
  6. Step 6: Final answer
    x = 179,988.53

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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.