Home / 192,003.20-287,637.60-103,227.20

Finding the Fourth Proportional to 192,003.20, 287,637.60 and 103,227.20

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Solution

The fourth proportional to 192,003.20, 287,637.60 and 103,227.20 is: 154,643.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,003.20 : 287,637.60 = 103,227.20 : x
  2. Step 2: Convert to fraction form
    192,003.20/287,637.60 = 103,227.20/x
  3. Step 3: Cross multiply
    192,003.20x = 287,637.60 × 103,227.20
  4. Step 4: Simplify right side
    192,003.20x = 29,692,024,062.72
  5. Step 5: Solve for x
    x = 29,692,024,062.72/192,003.20
  6. Step 6: Final answer
    x = 154,643.38

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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.