Home / 252,736.64-348,773.76-139,557.12

Finding the Fourth Proportional to 252,736.64, 348,773.76 and 139,557.12

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Solution

The fourth proportional to 252,736.64, 348,773.76 and 139,557.12 is: 192,587.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,736.64 : 348,773.76 = 139,557.12 : x
  2. Step 2: Convert to fraction form
    252,736.64/348,773.76 = 139,557.12/x
  3. Step 3: Cross multiply
    252,736.64x = 348,773.76 × 139,557.12
  4. Step 4: Simplify right side
    252,736.64x = 48,673,861,477.17
  5. Step 5: Solve for x
    x = 48,673,861,477.17/252,736.64
  6. Step 6: Final answer
    x = 192,587.28

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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.