Home / 152,778.11-210,830.60-84,791.14

Finding the Fourth Proportional to 152,778.11, 210,830.60 and 84,791.14

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Solution

The fourth proportional to 152,778.11, 210,830.60 and 84,791.14 is: 117,010.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,778.11 : 210,830.60 = 84,791.14 : x
  2. Step 2: Convert to fraction form
    152,778.11/210,830.60 = 84,791.14/x
  3. Step 3: Cross multiply
    152,778.11x = 210,830.60 × 84,791.14
  4. Step 4: Simplify right side
    152,778.11x = 17,876,566,605.79
  5. Step 5: Solve for x
    x = 17,876,566,605.79/152,778.11
  6. Step 6: Final answer
    x = 117,010.00

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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.