Home / 187,703.48-258,823.24-119,612.60

Finding the Fourth Proportional to 187,703.48, 258,823.24 and 119,612.60

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Solution

The fourth proportional to 187,703.48, 258,823.24 and 119,612.60 is: 164,933.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,703.48 : 258,823.24 = 119,612.60 : x
  2. Step 2: Convert to fraction form
    187,703.48/258,823.24 = 119,612.60/x
  3. Step 3: Cross multiply
    187,703.48x = 258,823.24 × 119,612.60
  4. Step 4: Simplify right side
    187,703.48x = 30,958,520,676.82
  5. Step 5: Solve for x
    x = 30,958,520,676.82/187,703.48
  6. Step 6: Final answer
    x = 164,933.12

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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.