Home / 141,906.14-195,831.81-78,246.20

Finding the Fourth Proportional to 141,906.14, 195,831.81 and 78,246.20

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Solution

The fourth proportional to 141,906.14, 195,831.81 and 78,246.20 is: 107,980.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,906.14 : 195,831.81 = 78,246.20 : x
  2. Step 2: Convert to fraction form
    141,906.14/195,831.81 = 78,246.20/x
  3. Step 3: Cross multiply
    141,906.14x = 195,831.81 × 78,246.20
  4. Step 4: Simplify right side
    141,906.14x = 15,323,094,971.62
  5. Step 5: Solve for x
    x = 15,323,094,971.62/141,906.14
  6. Step 6: Final answer
    x = 107,980.49

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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.