Home / 127,546.81-191,326.70-43,316.89

Finding the Fourth Proportional to 127,546.81, 191,326.70 and 43,316.89

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Solution

The fourth proportional to 127,546.81, 191,326.70 and 43,316.89 is: 64,977.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,546.81 : 191,326.70 = 43,316.89 : x
  2. Step 2: Convert to fraction form
    127,546.81/191,326.70 = 43,316.89/x
  3. Step 3: Cross multiply
    127,546.81x = 191,326.70 × 43,316.89
  4. Step 4: Simplify right side
    127,546.81x = 8,287,677,401.38
  5. Step 5: Solve for x
    x = 8,287,677,401.38/127,546.81
  6. Step 6: Final answer
    x = 64,977.54

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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.