Home / 104,190.90-143,774.89-58,872.81

Finding the Fourth Proportional to 104,190.90, 143,774.89 and 58,872.81

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Solution

The fourth proportional to 104,190.90, 143,774.89 and 58,872.81 is: 81,239.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,190.90 : 143,774.89 = 58,872.81 : x
  2. Step 2: Convert to fraction form
    104,190.90/143,774.89 = 58,872.81/x
  3. Step 3: Cross multiply
    104,190.90x = 143,774.89 × 58,872.81
  4. Step 4: Simplify right side
    104,190.90x = 8,464,431,781.74
  5. Step 5: Solve for x
    x = 8,464,431,781.74/104,190.90
  6. Step 6: Final answer
    x = 81,239.65

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1.5x scale

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.