Home / 127,916.88-191,875.79-39,170.03

Finding the Fourth Proportional to 127,916.88, 191,875.79 and 39,170.03

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Solution

The fourth proportional to 127,916.88, 191,875.79 and 39,170.03 is: 58,755.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,916.88 : 191,875.79 = 39,170.03 : x
  2. Step 2: Convert to fraction form
    127,916.88/191,875.79 = 39,170.03/x
  3. Step 3: Cross multiply
    127,916.88x = 191,875.79 × 39,170.03
  4. Step 4: Simplify right side
    127,916.88x = 7,515,779,295.34
  5. Step 5: Solve for x
    x = 7,515,779,295.34/127,916.88
  6. Step 6: Final answer
    x = 58,755.18

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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.