Home / 150,876.72-226,364.22-71,980.74

Finding the Fourth Proportional to 150,876.72, 226,364.22 and 71,980.74

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Solution

The fourth proportional to 150,876.72, 226,364.22 and 71,980.74 is: 107,994.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,876.72 : 226,364.22 = 71,980.74 : x
  2. Step 2: Convert to fraction form
    150,876.72/226,364.22 = 71,980.74/x
  3. Step 3: Cross multiply
    150,876.72x = 226,364.22 × 71,980.74
  4. Step 4: Simplify right side
    150,876.72x = 16,293,864,065.12
  5. Step 5: Solve for x
    x = 16,293,864,065.12/150,876.72
  6. Step 6: Final answer
    x = 107,994.55

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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.