Home / 203,585.36-280,948.14-112,941.33

Finding the Fourth Proportional to 203,585.36, 280,948.14 and 112,941.33

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Solution

The fourth proportional to 203,585.36, 280,948.14 and 112,941.33 is: 155,859.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,585.36 : 280,948.14 = 112,941.33 : x
  2. Step 2: Convert to fraction form
    203,585.36/280,948.14 = 112,941.33/x
  3. Step 3: Cross multiply
    203,585.36x = 280,948.14 × 112,941.33
  4. Step 4: Simplify right side
    203,585.36x = 31,730,656,310.27
  5. Step 5: Solve for x
    x = 31,730,656,310.27/203,585.36
  6. Step 6: Final answer
    x = 155,859.22

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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.