Home / 193,998.24-290,381.76-127,280.16

Finding the Fourth Proportional to 193,998.24, 290,381.76 and 127,280.16

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Solution

The fourth proportional to 193,998.24, 290,381.76 and 127,280.16 is: 190,516.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,998.24 : 290,381.76 = 127,280.16 : x
  2. Step 2: Convert to fraction form
    193,998.24/290,381.76 = 127,280.16/x
  3. Step 3: Cross multiply
    193,998.24x = 290,381.76 × 127,280.16
  4. Step 4: Simplify right side
    193,998.24x = 36,959,836,873.88
  5. Step 5: Solve for x
    x = 36,959,836,873.88/193,998.24
  6. Step 6: Final answer
    x = 190,516.35

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1.5x scale

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.