Home / 354,308.40-531,371.76-104,932.08

Finding the Fourth Proportional to 354,308.40, 531,371.76 and 104,932.08

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Solution

The fourth proportional to 354,308.40, 531,371.76 and 104,932.08 is: 157,371.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,308.40 : 531,371.76 = 104,932.08 : x
  2. Step 2: Convert to fraction form
    354,308.40/531,371.76 = 104,932.08/x
  3. Step 3: Cross multiply
    354,308.40x = 531,371.76 × 104,932.08
  4. Step 4: Simplify right side
    354,308.40x = 55,757,944,030.06
  5. Step 5: Solve for x
    x = 55,757,944,030.06/354,308.40
  6. Step 6: Final answer
    x = 157,371.22

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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.