Home / 349,319.95-482,112.60-196,370.74

Finding the Fourth Proportional to 349,319.95, 482,112.60 and 196,370.74

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Solution

The fourth proportional to 349,319.95, 482,112.60 and 196,370.74 is: 271,020.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,319.95 : 482,112.60 = 196,370.74 : x
  2. Step 2: Convert to fraction form
    349,319.95/482,112.60 = 196,370.74/x
  3. Step 3: Cross multiply
    349,319.95x = 482,112.60 × 196,370.74
  4. Step 4: Simplify right side
    349,319.95x = 94,672,808,025.32
  5. Step 5: Solve for x
    x = 94,672,808,025.32/349,319.95
  6. Step 6: Final answer
    x = 271,020.33

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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.