Home / 147,028.40-220,600.20-58,266.80

Finding the Fourth Proportional to 147,028.40, 220,600.20 and 58,266.80

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Solution

The fourth proportional to 147,028.40, 220,600.20 and 58,266.80 is: 87,423.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,028.40 : 220,600.20 = 58,266.80 : x
  2. Step 2: Convert to fraction form
    147,028.40/220,600.20 = 58,266.80/x
  3. Step 3: Cross multiply
    147,028.40x = 220,600.20 × 58,266.80
  4. Step 4: Simplify right side
    147,028.40x = 12,853,667,733.36
  5. Step 5: Solve for x
    x = 12,853,667,733.36/147,028.40
  6. Step 6: Final answer
    x = 87,423.03

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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.