Home / 121,310.40-181,694.76-93,022.10

Finding the Fourth Proportional to 121,310.40, 181,694.76 and 93,022.10

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Solution

The fourth proportional to 121,310.40, 181,694.76 and 93,022.10 is: 139,325.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,310.40 : 181,694.76 = 93,022.10 : x
  2. Step 2: Convert to fraction form
    121,310.40/181,694.76 = 93,022.10/x
  3. Step 3: Cross multiply
    121,310.40x = 181,694.76 × 93,022.10
  4. Step 4: Simplify right side
    121,310.40x = 16,901,628,134.20
  5. Step 5: Solve for x
    x = 16,901,628,134.20/121,310.40
  6. Step 6: Final answer
    x = 139,325.47

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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.