Home / 100,154.25-150,015.40-94,265.75

Finding the Fourth Proportional to 100,154.25, 150,015.40 and 94,265.75

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Solution

The fourth proportional to 100,154.25, 150,015.40 and 94,265.75 is: 141,195.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,154.25 : 150,015.40 = 94,265.75 : x
  2. Step 2: Convert to fraction form
    100,154.25/150,015.40 = 94,265.75/x
  3. Step 3: Cross multiply
    100,154.25x = 150,015.40 × 94,265.75
  4. Step 4: Simplify right side
    100,154.25x = 14,141,314,331.92
  5. Step 5: Solve for x
    x = 14,141,314,331.92/100,154.25
  6. Step 6: Final answer
    x = 141,195.35

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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.