Home / 100,148.32-150,250.74-50,168.08

Finding the Fourth Proportional to 100,148.32, 150,250.74 and 50,168.08

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Solution

The fourth proportional to 100,148.32, 150,250.74 and 50,168.08 is: 75,266.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,148.32 : 150,250.74 = 50,168.08 : x
  2. Step 2: Convert to fraction form
    100,148.32/150,250.74 = 50,168.08/x
  3. Step 3: Cross multiply
    100,148.32x = 150,250.74 × 50,168.08
  4. Step 4: Simplify right side
    100,148.32x = 7,537,791,144.38
  5. Step 5: Solve for x
    x = 7,537,791,144.38/100,148.32
  6. Step 6: Final answer
    x = 75,266.28

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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.