Home / 187,587.61-281,408.48-61,196.61

Finding the Fourth Proportional to 187,587.61, 281,408.48 and 61,196.61

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Solution

The fourth proportional to 187,587.61, 281,408.48 and 61,196.61 is: 91,803.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,587.61 : 281,408.48 = 61,196.61 : x
  2. Step 2: Convert to fraction form
    187,587.61/281,408.48 = 61,196.61/x
  3. Step 3: Cross multiply
    187,587.61x = 281,408.48 × 61,196.61
  4. Step 4: Simplify right side
    187,587.61x = 17,221,245,001.25
  5. Step 5: Solve for x
    x = 17,221,245,001.25/187,587.61
  6. Step 6: Final answer
    x = 91,803.74

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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.