Home / 139,926.06-193,097.97-76,263.84

Finding the Fourth Proportional to 139,926.06, 193,097.97 and 76,263.84

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Solution

The fourth proportional to 139,926.06, 193,097.97 and 76,263.84 is: 105,244.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,926.06 : 193,097.97 = 76,263.84 : x
  2. Step 2: Convert to fraction form
    139,926.06/193,097.97 = 76,263.84/x
  3. Step 3: Cross multiply
    139,926.06x = 193,097.97 × 76,263.84
  4. Step 4: Simplify right side
    139,926.06x = 14,726,392,688.40
  5. Step 5: Solve for x
    x = 14,726,392,688.40/139,926.06
  6. Step 6: Final answer
    x = 105,244.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.