Home / 150,607.20-207,802.28-85,197.53

Finding the Fourth Proportional to 150,607.20, 207,802.28 and 85,197.53

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Solution

The fourth proportional to 150,607.20, 207,802.28 and 85,197.53 is: 117,552.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,607.20 : 207,802.28 = 85,197.53 : x
  2. Step 2: Convert to fraction form
    150,607.20/207,802.28 = 85,197.53/x
  3. Step 3: Cross multiply
    150,607.20x = 207,802.28 × 85,197.53
  4. Step 4: Simplify right side
    150,607.20x = 17,704,241,716.87
  5. Step 5: Solve for x
    x = 17,704,241,716.87/150,607.20
  6. Step 6: Final answer
    x = 117,552.42

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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.