Home / 150,136.17-207,186.14-82,152.36

Finding the Fourth Proportional to 150,136.17, 207,186.14 and 82,152.36

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Solution

The fourth proportional to 150,136.17, 207,186.14 and 82,152.36 is: 113,369.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,136.17 : 207,186.14 = 82,152.36 : x
  2. Step 2: Convert to fraction form
    150,136.17/207,186.14 = 82,152.36/x
  3. Step 3: Cross multiply
    150,136.17x = 207,186.14 × 82,152.36
  4. Step 4: Simplify right side
    150,136.17x = 17,020,829,949.53
  5. Step 5: Solve for x
    x = 17,020,829,949.53/150,136.17
  6. Step 6: Final answer
    x = 113,369.28

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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.