Home / 203,494.36-280,831.28-112,844.24

Finding the Fourth Proportional to 203,494.36, 280,831.28 and 112,844.24

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Solution

The fourth proportional to 203,494.36, 280,831.28 and 112,844.24 is: 155,730.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,494.36 : 280,831.28 = 112,844.24 : x
  2. Step 2: Convert to fraction form
    203,494.36/280,831.28 = 112,844.24/x
  3. Step 3: Cross multiply
    203,494.36x = 280,831.28 × 112,844.24
  4. Step 4: Simplify right side
    203,494.36x = 31,690,192,359.83
  5. Step 5: Solve for x
    x = 31,690,192,359.83/203,494.36
  6. Step 6: Final answer
    x = 155,730.08

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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.