Home / 100,274.21-150,411.56-25,394.36

Finding the Fourth Proportional to 100,274.21, 150,411.56 and 25,394.36

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Solution

The fourth proportional to 100,274.21, 150,411.56 and 25,394.36 is: 38,091.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,274.21 : 150,411.56 = 25,394.36 : x
  2. Step 2: Convert to fraction form
    100,274.21/150,411.56 = 25,394.36/x
  3. Step 3: Cross multiply
    100,274.21x = 150,411.56 × 25,394.36
  4. Step 4: Simplify right side
    100,274.21x = 3,819,605,061.07
  5. Step 5: Solve for x
    x = 3,819,605,061.07/100,274.21
  6. Step 6: Final answer
    x = 38,091.60

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1.5x scale

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.