Home / 152,937.82-211,047.06-84,959.20

Finding the Fourth Proportional to 152,937.82, 211,047.06 and 84,959.20

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Solution

The fourth proportional to 152,937.82, 211,047.06 and 84,959.20 is: 117,239.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,937.82 : 211,047.06 = 84,959.20 : x
  2. Step 2: Convert to fraction form
    152,937.82/211,047.06 = 84,959.20/x
  3. Step 3: Cross multiply
    152,937.82x = 211,047.06 × 84,959.20
  4. Step 4: Simplify right side
    152,937.82x = 17,930,389,379.95
  5. Step 5: Solve for x
    x = 17,930,389,379.95/152,937.82
  6. Step 6: Final answer
    x = 117,239.73

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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.