Home / 141,363.63-195,079.19-77,700.06

Finding the Fourth Proportional to 141,363.63, 195,079.19 and 77,700.06

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Solution

The fourth proportional to 141,363.63, 195,079.19 and 77,700.06 is: 107,224.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,363.63 : 195,079.19 = 77,700.06 : x
  2. Step 2: Convert to fraction form
    141,363.63/195,079.19 = 77,700.06/x
  3. Step 3: Cross multiply
    141,363.63x = 195,079.19 × 77,700.06
  4. Step 4: Simplify right side
    141,363.63x = 15,157,664,379.25
  5. Step 5: Solve for x
    x = 15,157,664,379.25/141,363.63
  6. Step 6: Final answer
    x = 107,224.64

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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.