Home / 141,509.90-195,373.31-87,851.85

Finding the Fourth Proportional to 141,509.90, 195,373.31 and 87,851.85

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Solution

The fourth proportional to 141,509.90, 195,373.31 and 87,851.85 is: 121,291.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,509.90 : 195,373.31 = 87,851.85 : x
  2. Step 2: Convert to fraction form
    141,509.90/195,373.31 = 87,851.85/x
  3. Step 3: Cross multiply
    141,509.90x = 195,373.31 × 87,851.85
  4. Step 4: Simplify right side
    141,509.90x = 17,163,906,284.86
  5. Step 5: Solve for x
    x = 17,163,906,284.86/141,509.90
  6. Step 6: Final answer
    x = 121,291.21

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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.