Home / 203,309.16-280,577.43-112,675.02

Finding the Fourth Proportional to 203,309.16, 280,577.43 and 112,675.02

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Solution

The fourth proportional to 203,309.16, 280,577.43 and 112,675.02 is: 155,497.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,309.16 : 280,577.43 = 112,675.02 : x
  2. Step 2: Convert to fraction form
    203,309.16/280,577.43 = 112,675.02/x
  3. Step 3: Cross multiply
    203,309.16x = 280,577.43 × 112,675.02
  4. Step 4: Simplify right side
    203,309.16x = 31,614,067,536.80
  5. Step 5: Solve for x
    x = 31,614,067,536.80/203,309.16
  6. Step 6: Final answer
    x = 155,497.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.