Home / 100,144.35-150,206.81-26,272.35

Finding the Fourth Proportional to 100,144.35, 150,206.81 and 26,272.35

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Solution

The fourth proportional to 100,144.35, 150,206.81 and 26,272.35 is: 39,405.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,144.35 : 150,206.81 = 26,272.35 : x
  2. Step 2: Convert to fraction form
    100,144.35/150,206.81 = 26,272.35/x
  3. Step 3: Cross multiply
    100,144.35x = 150,206.81 × 26,272.35
  4. Step 4: Simplify right side
    100,144.35x = 3,946,285,753.34
  5. Step 5: Solve for x
    x = 3,946,285,753.34/100,144.35
  6. Step 6: Final answer
    x = 39,405.98

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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.