Home / 137,949.37-207,068.84-122,254.81

Finding the Fourth Proportional to 137,949.37, 207,068.84 and 122,254.81

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Solution

The fourth proportional to 137,949.37, 207,068.84 and 122,254.81 is: 183,510.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,949.37 : 207,068.84 = 122,254.81 : x
  2. Step 2: Convert to fraction form
    137,949.37/207,068.84 = 122,254.81/x
  3. Step 3: Cross multiply
    137,949.37x = 207,068.84 × 122,254.81
  4. Step 4: Simplify right side
    137,949.37x = 25,315,161,691.12
  5. Step 5: Solve for x
    x = 25,315,161,691.12/137,949.37
  6. Step 6: Final answer
    x = 183,510.53

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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.