Home / 141,695.77-195,542.01-78,038.27

Finding the Fourth Proportional to 141,695.77, 195,542.01 and 78,038.27

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Solution

The fourth proportional to 141,695.77, 195,542.01 and 78,038.27 is: 107,693.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,695.77 : 195,542.01 = 78,038.27 : x
  2. Step 2: Convert to fraction form
    141,695.77/195,542.01 = 78,038.27/x
  3. Step 3: Cross multiply
    141,695.77x = 195,542.01 × 78,038.27
  4. Step 4: Simplify right side
    141,695.77x = 15,259,759,782.53
  5. Step 5: Solve for x
    x = 15,259,759,782.53/141,695.77
  6. Step 6: Final answer
    x = 107,693.83

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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.