Home / 100,148.85-150,213.54-26,276.85

Finding the Fourth Proportional to 100,148.85, 150,213.54 and 26,276.85

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Solution

The fourth proportional to 100,148.85, 150,213.54 and 26,276.85 is: 39,412.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,148.85 : 150,213.54 = 26,276.85 : x
  2. Step 2: Convert to fraction form
    100,148.85/150,213.54 = 26,276.85/x
  3. Step 3: Cross multiply
    100,148.85x = 150,213.54 × 26,276.85
  4. Step 4: Simplify right side
    100,148.85x = 3,947,138,658.55
  5. Step 5: Solve for x
    x = 3,947,138,658.55/100,148.85
  6. Step 6: Final answer
    x = 39,412.72

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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.