Home / 331,291.74-457,062.53-187,968.77

Finding the Fourth Proportional to 331,291.74, 457,062.53 and 187,968.77

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Solution

The fourth proportional to 331,291.74, 457,062.53 and 187,968.77 is: 259,328.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,291.74 : 457,062.53 = 187,968.77 : x
  2. Step 2: Convert to fraction form
    331,291.74/457,062.53 = 187,968.77/x
  3. Step 3: Cross multiply
    331,291.74x = 457,062.53 × 187,968.77
  4. Step 4: Simplify right side
    331,291.74x = 85,913,478,352.03
  5. Step 5: Solve for x
    x = 85,913,478,352.03/331,291.74
  6. Step 6: Final answer
    x = 259,328.77

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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.