Home / 141,270.12-195,008.30-84,670.56

Finding the Fourth Proportional to 141,270.12, 195,008.30 and 84,670.56

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Solution

The fourth proportional to 141,270.12, 195,008.30 and 84,670.56 is: 116,878.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,270.12 : 195,008.30 = 84,670.56 : x
  2. Step 2: Convert to fraction form
    141,270.12/195,008.30 = 84,670.56/x
  3. Step 3: Cross multiply
    141,270.12x = 195,008.30 × 84,670.56
  4. Step 4: Simplify right side
    141,270.12x = 16,511,461,965.65
  5. Step 5: Solve for x
    x = 16,511,461,965.65/141,270.12
  6. Step 6: Final answer
    x = 116,878.66

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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.