Home / 239,373.10-359,112.30-70,906.60

Finding the Fourth Proportional to 239,373.10, 359,112.30 and 70,906.60

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Solution

The fourth proportional to 239,373.10, 359,112.30 and 70,906.60 is: 106,375.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,373.10 : 359,112.30 = 70,906.60 : x
  2. Step 2: Convert to fraction form
    239,373.10/359,112.30 = 70,906.60/x
  3. Step 3: Cross multiply
    239,373.10x = 359,112.30 × 70,906.60
  4. Step 4: Simplify right side
    239,373.10x = 25,463,432,211.18
  5. Step 5: Solve for x
    x = 25,463,432,211.18/239,373.10
  6. Step 6: Final answer
    x = 106,375.50

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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.