Home / 123,626.70-185,440.05-30,133.26

Finding the Fourth Proportional to 123,626.70, 185,440.05 and 30,133.26

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Solution

The fourth proportional to 123,626.70, 185,440.05 and 30,133.26 is: 45,199.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,626.70 : 185,440.05 = 30,133.26 : x
  2. Step 2: Convert to fraction form
    123,626.70/185,440.05 = 30,133.26/x
  3. Step 3: Cross multiply
    123,626.70x = 185,440.05 × 30,133.26
  4. Step 4: Simplify right side
    123,626.70x = 5,587,913,241.06
  5. Step 5: Solve for x
    x = 5,587,913,241.06/123,626.70
  6. Step 6: Final answer
    x = 45,199.89

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Similar ratio
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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.