Home / 195,155.46-292,831.56-76,911.66

Finding the Fourth Proportional to 195,155.46, 292,831.56 and 76,911.66

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Solution

The fourth proportional to 195,155.46, 292,831.56 and 76,911.66 is: 115,406.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,155.46 : 292,831.56 = 76,911.66 : x
  2. Step 2: Convert to fraction form
    195,155.46/292,831.56 = 76,911.66/x
  3. Step 3: Cross multiply
    195,155.46x = 292,831.56 × 76,911.66
  4. Step 4: Simplify right side
    195,155.46x = 22,522,161,379.99
  5. Step 5: Solve for x
    x = 22,522,161,379.99/195,155.46
  6. Step 6: Final answer
    x = 115,406.26

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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.