Home / 177,821.40-266,408.10-140,626.20

Finding the Fourth Proportional to 177,821.40, 266,408.10 and 140,626.20

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Solution

The fourth proportional to 177,821.40, 266,408.10 and 140,626.20 is: 210,683.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,821.40 : 266,408.10 = 140,626.20 : x
  2. Step 2: Convert to fraction form
    177,821.40/266,408.10 = 140,626.20/x
  3. Step 3: Cross multiply
    177,821.40x = 266,408.10 × 140,626.20
  4. Step 4: Simplify right side
    177,821.40x = 37,463,958,752.22
  5. Step 5: Solve for x
    x = 37,463,958,752.22/177,821.40
  6. Step 6: Final answer
    x = 210,683.07

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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.