Home / 213,002.13-293,943.93-117,508.80

Finding the Fourth Proportional to 213,002.13, 293,943.93 and 117,508.80

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Solution

The fourth proportional to 213,002.13, 293,943.93 and 117,508.80 is: 162,162.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,002.13 : 293,943.93 = 117,508.80 : x
  2. Step 2: Convert to fraction form
    213,002.13/293,943.93 = 117,508.80/x
  3. Step 3: Cross multiply
    213,002.13x = 293,943.93 × 117,508.80
  4. Step 4: Simplify right side
    213,002.13x = 34,540,998,481.58
  5. Step 5: Solve for x
    x = 34,540,998,481.58/213,002.13
  6. Step 6: Final answer
    x = 162,162.69

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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.