Home / 348,516.26-521,932.36-198,301.50

Finding the Fourth Proportional to 348,516.26, 521,932.36 and 198,301.50

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Solution

The fourth proportional to 348,516.26, 521,932.36 and 198,301.50 is: 296,973.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,516.26 : 521,932.36 = 198,301.50 : x
  2. Step 2: Convert to fraction form
    348,516.26/521,932.36 = 198,301.50/x
  3. Step 3: Cross multiply
    348,516.26x = 521,932.36 × 198,301.50
  4. Step 4: Simplify right side
    348,516.26x = 103,499,969,886.54
  5. Step 5: Solve for x
    x = 103,499,969,886.54/348,516.26
  6. Step 6: Final answer
    x = 296,973.15

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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.