Home / 150,137.74-207,265.09-86,463.24

Finding the Fourth Proportional to 150,137.74, 207,265.09 and 86,463.24

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Solution

The fourth proportional to 150,137.74, 207,265.09 and 86,463.24 is: 119,362.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,137.74 : 207,265.09 = 86,463.24 : x
  2. Step 2: Convert to fraction form
    150,137.74/207,265.09 = 86,463.24/x
  3. Step 3: Cross multiply
    150,137.74x = 207,265.09 × 86,463.24
  4. Step 4: Simplify right side
    150,137.74x = 17,920,811,220.29
  5. Step 5: Solve for x
    x = 17,920,811,220.29/150,137.74
  6. Step 6: Final answer
    x = 119,362.47

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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.