Home / 213,024.77-319,515.27-113,078.87

Finding the Fourth Proportional to 213,024.77, 319,515.27 and 113,078.87

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Solution

The fourth proportional to 213,024.77, 319,515.27 and 113,078.87 is: 169,606.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,024.77 : 319,515.27 = 113,078.87 : x
  2. Step 2: Convert to fraction form
    213,024.77/319,515.27 = 113,078.87/x
  3. Step 3: Cross multiply
    213,024.77x = 319,515.27 × 113,078.87
  4. Step 4: Simplify right side
    213,024.77x = 36,130,424,081.77
  5. Step 5: Solve for x
    x = 36,130,424,081.77/213,024.77
  6. Step 6: Final answer
    x = 169,606.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.