Home / 353,724.60-488,148.78-192,588.48

Finding the Fourth Proportional to 353,724.60, 488,148.78 and 192,588.48

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Solution

The fourth proportional to 353,724.60, 488,148.78 and 192,588.48 is: 265,776.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,724.60 : 488,148.78 = 192,588.48 : x
  2. Step 2: Convert to fraction form
    353,724.60/488,148.78 = 192,588.48/x
  3. Step 3: Cross multiply
    353,724.60x = 488,148.78 × 192,588.48
  4. Step 4: Simplify right side
    353,724.60x = 94,011,831,554.05
  5. Step 5: Solve for x
    x = 94,011,831,554.05/353,724.60
  6. Step 6: Final answer
    x = 265,776.91

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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.