Home / 135,247.93-186,640.54-74,813.83

Finding the Fourth Proportional to 135,247.93, 186,640.54 and 74,813.83

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Solution

The fourth proportional to 135,247.93, 186,640.54 and 74,813.83 is: 103,242.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,247.93 : 186,640.54 = 74,813.83 : x
  2. Step 2: Convert to fraction form
    135,247.93/186,640.54 = 74,813.83/x
  3. Step 3: Cross multiply
    135,247.93x = 186,640.54 × 74,813.83
  4. Step 4: Simplify right side
    135,247.93x = 13,963,293,630.67
  5. Step 5: Solve for x
    x = 13,963,293,630.67/135,247.93
  6. Step 6: Final answer
    x = 103,242.20

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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.