Home / 227,031.35-340,546.95-105,439.55

Finding the Fourth Proportional to 227,031.35, 340,546.95 and 105,439.55

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Solution

The fourth proportional to 227,031.35, 340,546.95 and 105,439.55 is: 158,159.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,031.35 : 340,546.95 = 105,439.55 : x
  2. Step 2: Convert to fraction form
    227,031.35/340,546.95 = 105,439.55/x
  3. Step 3: Cross multiply
    227,031.35x = 340,546.95 × 105,439.55
  4. Step 4: Simplify right side
    227,031.35x = 35,907,115,459.14
  5. Step 5: Solve for x
    x = 35,907,115,459.14/227,031.35
  6. Step 6: Final answer
    x = 158,159.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.