Home / 150,836.07-208,131.22-86,295.06

Finding the Fourth Proportional to 150,836.07, 208,131.22 and 86,295.06

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Solution

The fourth proportional to 150,836.07, 208,131.22 and 86,295.06 is: 119,074.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,836.07 : 208,131.22 = 86,295.06 : x
  2. Step 2: Convert to fraction form
    150,836.07/208,131.22 = 86,295.06/x
  3. Step 3: Cross multiply
    150,836.07x = 208,131.22 × 86,295.06
  4. Step 4: Simplify right side
    150,836.07x = 17,960,695,932.96
  5. Step 5: Solve for x
    x = 17,960,695,932.96/150,836.07
  6. Step 6: Final answer
    x = 119,074.27

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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.