Home / 141,372.16-195,083.64-77,714.08

Finding the Fourth Proportional to 141,372.16, 195,083.64 and 77,714.08

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Solution

The fourth proportional to 141,372.16, 195,083.64 and 77,714.08 is: 107,239.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,372.16 : 195,083.64 = 77,714.08 : x
  2. Step 2: Convert to fraction form
    141,372.16/195,083.64 = 77,714.08/x
  3. Step 3: Cross multiply
    141,372.16x = 195,083.64 × 77,714.08
  4. Step 4: Simplify right side
    141,372.16x = 15,160,745,605.65
  5. Step 5: Solve for x
    x = 15,160,745,605.65/141,372.16
  6. Step 6: Final answer
    x = 107,239.97

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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.