Home / 141,551.51-195,339.44-77,022.65

Finding the Fourth Proportional to 141,551.51, 195,339.44 and 77,022.65

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Solution

The fourth proportional to 141,551.51, 195,339.44 and 77,022.65 is: 106,290.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,551.51 : 195,339.44 = 77,022.65 : x
  2. Step 2: Convert to fraction form
    141,551.51/195,339.44 = 77,022.65/x
  3. Step 3: Cross multiply
    141,551.51x = 195,339.44 × 77,022.65
  4. Step 4: Simplify right side
    141,551.51x = 15,045,559,956.51
  5. Step 5: Solve for x
    x = 15,045,559,956.51/141,551.51
  6. Step 6: Final answer
    x = 106,290.36

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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.