Home / 141,360.91-195,079.37-76,830.32

Finding the Fourth Proportional to 141,360.91, 195,079.37 and 76,830.32

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Solution

The fourth proportional to 141,360.91, 195,079.37 and 76,830.32 is: 106,026.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,360.91 : 195,079.37 = 76,830.32 : x
  2. Step 2: Convert to fraction form
    141,360.91/195,079.37 = 76,830.32/x
  3. Step 3: Cross multiply
    141,360.91x = 195,079.37 × 76,830.32
  4. Step 4: Simplify right side
    141,360.91x = 14,988,010,958.22
  5. Step 5: Solve for x
    x = 14,988,010,958.22/141,360.91
  6. Step 6: Final answer
    x = 106,026.56

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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.