Home / 127,960.90-191,428.71-110,617.54

Finding the Fourth Proportional to 127,960.90, 191,428.71 and 110,617.54

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Solution

The fourth proportional to 127,960.90, 191,428.71 and 110,617.54 is: 165,483.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,960.90 : 191,428.71 = 110,617.54 : x
  2. Step 2: Convert to fraction form
    127,960.90/191,428.71 = 110,617.54/x
  3. Step 3: Cross multiply
    127,960.90x = 191,428.71 × 110,617.54
  4. Step 4: Simplify right side
    127,960.90x = 21,175,372,985.57
  5. Step 5: Solve for x
    x = 21,175,372,985.57/127,960.90
  6. Step 6: Final answer
    x = 165,483.15

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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.