Home / 150,299.18-207,412.94-82,320.43

Finding the Fourth Proportional to 150,299.18, 207,412.94 and 82,320.43

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Solution

The fourth proportional to 150,299.18, 207,412.94 and 82,320.43 is: 113,602.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,299.18 : 207,412.94 = 82,320.43 : x
  2. Step 2: Convert to fraction form
    150,299.18/207,412.94 = 82,320.43/x
  3. Step 3: Cross multiply
    150,299.18x = 207,412.94 × 82,320.43
  4. Step 4: Simplify right side
    150,299.18x = 17,074,323,030.29
  5. Step 5: Solve for x
    x = 17,074,323,030.29/150,299.18
  6. Step 6: Final answer
    x = 113,602.23

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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.