Home / 127,916.90-191,858.07-34,428.26

Finding the Fourth Proportional to 127,916.90, 191,858.07 and 34,428.26

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Solution

The fourth proportional to 127,916.90, 191,858.07 and 34,428.26 is: 51,637.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,916.90 : 191,858.07 = 34,428.26 : x
  2. Step 2: Convert to fraction form
    127,916.90/191,858.07 = 34,428.26/x
  3. Step 3: Cross multiply
    127,916.90x = 191,858.07 × 34,428.26
  4. Step 4: Simplify right side
    127,916.90x = 6,605,339,517.06
  5. Step 5: Solve for x
    x = 6,605,339,517.06/127,916.90
  6. Step 6: Final answer
    x = 51,637.74

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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.