Home / 121,311.39-181,696.26-93,023.10

Finding the Fourth Proportional to 121,311.39, 181,696.26 and 93,023.10

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Solution

The fourth proportional to 121,311.39, 181,696.26 and 93,023.10 is: 139,326.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,311.39 : 181,696.26 = 93,023.10 : x
  2. Step 2: Convert to fraction form
    121,311.39/181,696.26 = 93,023.10/x
  3. Step 3: Cross multiply
    121,311.39x = 181,696.26 × 93,023.10
  4. Step 4: Simplify right side
    121,311.39x = 16,901,949,363.61
  5. Step 5: Solve for x
    x = 16,901,949,363.61/121,311.39
  6. Step 6: Final answer
    x = 139,326.98

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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.