Home / 141,716.19-195,568.34-78,053.98

Finding the Fourth Proportional to 141,716.19, 195,568.34 and 78,053.98

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Solution

The fourth proportional to 141,716.19, 195,568.34 and 78,053.98 is: 107,714.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,716.19 : 195,568.34 = 78,053.98 : x
  2. Step 2: Convert to fraction form
    141,716.19/195,568.34 = 78,053.98/x
  3. Step 3: Cross multiply
    141,716.19x = 195,568.34 × 78,053.98
  4. Step 4: Simplify right side
    141,716.19x = 15,264,887,298.99
  5. Step 5: Solve for x
    x = 15,264,887,298.99/141,716.19
  6. Step 6: Final answer
    x = 107,714.49

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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.