Home / 119,591.36-165,035.31-65,875.13

Finding the Fourth Proportional to 119,591.36, 165,035.31 and 65,875.13

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Solution

The fourth proportional to 119,591.36, 165,035.31 and 65,875.13 is: 90,907.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,591.36 : 165,035.31 = 65,875.13 : x
  2. Step 2: Convert to fraction form
    119,591.36/165,035.31 = 65,875.13/x
  3. Step 3: Cross multiply
    119,591.36x = 165,035.31 × 65,875.13
  4. Step 4: Simplify right side
    119,591.36x = 10,871,722,500.84
  5. Step 5: Solve for x
    x = 10,871,722,500.84/119,591.36
  6. Step 6: Final answer
    x = 90,907.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.