Home / 226,767.40-340,280.70-86,626.60

Finding the Fourth Proportional to 226,767.40, 340,280.70 and 86,626.60

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Solution

The fourth proportional to 226,767.40, 340,280.70 and 86,626.60 is: 129,989.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,767.40 : 340,280.70 = 86,626.60 : x
  2. Step 2: Convert to fraction form
    226,767.40/340,280.70 = 86,626.60/x
  3. Step 3: Cross multiply
    226,767.40x = 340,280.70 × 86,626.60
  4. Step 4: Simplify right side
    226,767.40x = 29,477,360,086.62
  5. Step 5: Solve for x
    x = 29,477,360,086.62/226,767.40
  6. Step 6: Final answer
    x = 129,989.41

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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.