Home / 141,865.51-195,774.67-77,335.27

Finding the Fourth Proportional to 141,865.51, 195,774.67 and 77,335.27

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Solution

The fourth proportional to 141,865.51, 195,774.67 and 77,335.27 is: 106,722.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,865.51 : 195,774.67 = 77,335.27 : x
  2. Step 2: Convert to fraction form
    141,865.51/195,774.67 = 77,335.27/x
  3. Step 3: Cross multiply
    141,865.51x = 195,774.67 × 77,335.27
  4. Step 4: Simplify right side
    141,865.51x = 15,140,286,963.61
  5. Step 5: Solve for x
    x = 15,140,286,963.61/141,865.51
  6. Step 6: Final answer
    x = 106,722.82

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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.