Home / 379,724.91-569,673.77-202,138.35

Finding the Fourth Proportional to 379,724.91, 569,673.77 and 202,138.35

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Solution

The fourth proportional to 379,724.91, 569,673.77 and 202,138.35 is: 303,253.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,724.91 : 569,673.77 = 202,138.35 : x
  2. Step 2: Convert to fraction form
    379,724.91/569,673.77 = 202,138.35/x
  3. Step 3: Cross multiply
    379,724.91x = 569,673.77 × 202,138.35
  4. Step 4: Simplify right side
    379,724.91x = 115,152,914,895.39
  5. Step 5: Solve for x
    x = 115,152,914,895.39/379,724.91
  6. Step 6: Final answer
    x = 303,253.52

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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.