Home / 181,811.09-272,729.06-61,819.19

Finding the Fourth Proportional to 181,811.09, 272,729.06 and 61,819.19

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Solution

The fourth proportional to 181,811.09, 272,729.06 and 61,819.19 is: 92,733.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,811.09 : 272,729.06 = 61,819.19 : x
  2. Step 2: Convert to fraction form
    181,811.09/272,729.06 = 61,819.19/x
  3. Step 3: Cross multiply
    181,811.09x = 272,729.06 × 61,819.19
  4. Step 4: Simplify right side
    181,811.09x = 16,859,889,578.66
  5. Step 5: Solve for x
    x = 16,859,889,578.66/181,811.09
  6. Step 6: Final answer
    x = 92,733.01

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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.