Home / 141,110.17-211,561.57-70,918.81

Finding the Fourth Proportional to 141,110.17, 211,561.57 and 70,918.81

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Solution

The fourth proportional to 141,110.17, 211,561.57 and 70,918.81 is: 106,326.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,110.17 : 211,561.57 = 70,918.81 : x
  2. Step 2: Convert to fraction form
    141,110.17/211,561.57 = 70,918.81/x
  3. Step 3: Cross multiply
    141,110.17x = 211,561.57 × 70,918.81
  4. Step 4: Simplify right side
    141,110.17x = 15,003,694,786.13
  5. Step 5: Solve for x
    x = 15,003,694,786.13/141,110.17
  6. Step 6: Final answer
    x = 106,326.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.