Home / 150,190.08-207,308.40-86,570.20

Finding the Fourth Proportional to 150,190.08, 207,308.40 and 86,570.20

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Solution

The fourth proportional to 150,190.08, 207,308.40 and 86,570.20 is: 119,493.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,190.08 : 207,308.40 = 86,570.20 : x
  2. Step 2: Convert to fraction form
    150,190.08/207,308.40 = 86,570.20/x
  3. Step 3: Cross multiply
    150,190.08x = 207,308.40 × 86,570.20
  4. Step 4: Simplify right side
    150,190.08x = 17,946,729,649.68
  5. Step 5: Solve for x
    x = 17,946,729,649.68/150,190.08
  6. Step 6: Final answer
    x = 119,493.44

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1.5x scale

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.