Home / 196,690.20-295,035.30-125,831.40

Finding the Fourth Proportional to 196,690.20, 295,035.30 and 125,831.40

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Solution

The fourth proportional to 196,690.20, 295,035.30 and 125,831.40 is: 188,747.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,690.20 : 295,035.30 = 125,831.40 : x
  2. Step 2: Convert to fraction form
    196,690.20/295,035.30 = 125,831.40/x
  3. Step 3: Cross multiply
    196,690.20x = 295,035.30 × 125,831.40
  4. Step 4: Simplify right side
    196,690.20x = 37,124,704,848.42
  5. Step 5: Solve for x
    x = 37,124,704,848.42/196,690.20
  6. Step 6: Final answer
    x = 188,747.10

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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.