Home / 141,903.12-195,831.03-84,534.60

Finding the Fourth Proportional to 141,903.12, 195,831.03 and 84,534.60

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Solution

The fourth proportional to 141,903.12, 195,831.03 and 84,534.60 is: 116,660.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,903.12 : 195,831.03 = 84,534.60 : x
  2. Step 2: Convert to fraction form
    141,903.12/195,831.03 = 84,534.60/x
  3. Step 3: Cross multiply
    141,903.12x = 195,831.03 × 84,534.60
  4. Step 4: Simplify right side
    141,903.12x = 16,554,497,788.64
  5. Step 5: Solve for x
    x = 16,554,497,788.64/141,903.12
  6. Step 6: Final answer
    x = 116,660.56

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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.