Home / 141,495.27-195,277.78-81,073.93

Finding the Fourth Proportional to 141,495.27, 195,277.78 and 81,073.93

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Solution

The fourth proportional to 141,495.27, 195,277.78 and 81,073.93 is: 111,890.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,495.27 : 195,277.78 = 81,073.93 : x
  2. Step 2: Convert to fraction form
    141,495.27/195,277.78 = 81,073.93/x
  3. Step 3: Cross multiply
    141,495.27x = 195,277.78 × 81,073.93
  4. Step 4: Simplify right side
    141,495.27x = 15,831,937,066.28
  5. Step 5: Solve for x
    x = 15,831,937,066.28/141,495.27
  6. Step 6: Final answer
    x = 111,890.22

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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.