Home / 141,358.32-195,102.85-83,986.60

Finding the Fourth Proportional to 141,358.32, 195,102.85 and 83,986.60

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Solution

The fourth proportional to 141,358.32, 195,102.85 and 83,986.60 is: 115,918.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,358.32 : 195,102.85 = 83,986.60 : x
  2. Step 2: Convert to fraction form
    141,358.32/195,102.85 = 83,986.60/x
  3. Step 3: Cross multiply
    141,358.32x = 195,102.85 × 83,986.60
  4. Step 4: Simplify right side
    141,358.32x = 16,386,025,021.81
  5. Step 5: Solve for x
    x = 16,386,025,021.81/141,358.32
  6. Step 6: Final answer
    x = 115,918.36

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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.