Home / 187,459.09-281,134.89-61,110.36

Finding the Fourth Proportional to 187,459.09, 281,134.89 and 61,110.36

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Solution

The fourth proportional to 187,459.09, 281,134.89 and 61,110.36 is: 91,648.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,459.09 : 281,134.89 = 61,110.36 : x
  2. Step 2: Convert to fraction form
    187,459.09/281,134.89 = 61,110.36/x
  3. Step 3: Cross multiply
    187,459.09x = 281,134.89 × 61,110.36
  4. Step 4: Simplify right side
    187,459.09x = 17,180,254,336.46
  5. Step 5: Solve for x
    x = 17,180,254,336.46/187,459.09
  6. Step 6: Final answer
    x = 91,648.02

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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.