Home / 149,236.27-205,935.65-84,706.83

Finding the Fourth Proportional to 149,236.27, 205,935.65 and 84,706.83

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Solution

The fourth proportional to 149,236.27, 205,935.65 and 84,706.83 is: 116,889.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,236.27 : 205,935.65 = 84,706.83 : x
  2. Step 2: Convert to fraction form
    149,236.27/205,935.65 = 84,706.83/x
  3. Step 3: Cross multiply
    149,236.27x = 205,935.65 × 84,706.83
  4. Step 4: Simplify right side
    149,236.27x = 17,444,155,989.61
  5. Step 5: Solve for x
    x = 17,444,155,989.61/149,236.27
  6. Step 6: Final answer
    x = 116,889.52

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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.