Home / 137,448.23-205,913.68-107,775.95

Finding the Fourth Proportional to 137,448.23, 205,913.68 and 107,775.95

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Solution

The fourth proportional to 137,448.23, 205,913.68 and 107,775.95 is: 161,461.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,448.23 : 205,913.68 = 107,775.95 : x
  2. Step 2: Convert to fraction form
    137,448.23/205,913.68 = 107,775.95/x
  3. Step 3: Cross multiply
    137,448.23x = 205,913.68 × 107,775.95
  4. Step 4: Simplify right side
    137,448.23x = 22,192,542,480.00
  5. Step 5: Solve for x
    x = 22,192,542,480.00/137,448.23
  6. Step 6: Final answer
    x = 161,461.10

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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.