Home / 151,733.20-227,599.80-77,083.60

Finding the Fourth Proportional to 151,733.20, 227,599.80 and 77,083.60

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Solution

The fourth proportional to 151,733.20, 227,599.80 and 77,083.60 is: 115,625.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,733.20 : 227,599.80 = 77,083.60 : x
  2. Step 2: Convert to fraction form
    151,733.20/227,599.80 = 77,083.60/x
  3. Step 3: Cross multiply
    151,733.20x = 227,599.80 × 77,083.60
  4. Step 4: Simplify right side
    151,733.20x = 17,544,211,943.28
  5. Step 5: Solve for x
    x = 17,544,211,943.28/151,733.20
  6. Step 6: Final answer
    x = 115,625.40

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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.