Home / 310,822.68-428,934.66-174,856.68

Finding the Fourth Proportional to 310,822.68, 428,934.66 and 174,856.68

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Solution

The fourth proportional to 310,822.68, 428,934.66 and 174,856.68 is: 241,301.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,822.68 : 428,934.66 = 174,856.68 : x
  2. Step 2: Convert to fraction form
    310,822.68/428,934.66 = 174,856.68/x
  3. Step 3: Cross multiply
    310,822.68x = 428,934.66 × 174,856.68
  4. Step 4: Simplify right side
    310,822.68x = 75,002,090,584.53
  5. Step 5: Solve for x
    x = 75,002,090,584.53/310,822.68
  6. Step 6: Final answer
    x = 241,301.86

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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.