Home / 141,353.53-195,069.38-76,822.77

Finding the Fourth Proportional to 141,353.53, 195,069.38 and 76,822.77

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Solution

The fourth proportional to 141,353.53, 195,069.38 and 76,822.77 is: 106,016.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,353.53 : 195,069.38 = 76,822.77 : x
  2. Step 2: Convert to fraction form
    141,353.53/195,069.38 = 76,822.77/x
  3. Step 3: Cross multiply
    141,353.53x = 195,069.38 × 76,822.77
  4. Step 4: Simplify right side
    141,353.53x = 14,985,769,873.71
  5. Step 5: Solve for x
    x = 14,985,769,873.71/141,353.53
  6. Step 6: Final answer
    x = 106,016.24

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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.