Home / 141,929.90-195,863.12-77,399.27

Finding the Fourth Proportional to 141,929.90, 195,863.12 and 77,399.27

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Solution

The fourth proportional to 141,929.90, 195,863.12 and 77,399.27 is: 106,810.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,929.90 : 195,863.12 = 77,399.27 : x
  2. Step 2: Convert to fraction form
    141,929.90/195,863.12 = 77,399.27/x
  3. Step 3: Cross multiply
    141,929.90x = 195,863.12 × 77,399.27
  4. Step 4: Simplify right side
    141,929.90x = 15,159,661,907.01
  5. Step 5: Solve for x
    x = 15,159,661,907.01/141,929.90
  6. Step 6: Final answer
    x = 106,810.91

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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.