Home / 141,695.07-195,548.09-78,032.87

Finding the Fourth Proportional to 141,695.07, 195,548.09 and 78,032.87

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Solution

The fourth proportional to 141,695.07, 195,548.09 and 78,032.87 is: 107,690.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,695.07 : 195,548.09 = 78,032.87 : x
  2. Step 2: Convert to fraction form
    141,695.07/195,548.09 = 78,032.87/x
  3. Step 3: Cross multiply
    141,695.07x = 195,548.09 × 78,032.87
  4. Step 4: Simplify right side
    141,695.07x = 15,259,178,685.72
  5. Step 5: Solve for x
    x = 15,259,178,685.72/141,695.07
  6. Step 6: Final answer
    x = 107,690.26

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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.