Home / 150,440.51-207,609.55-82,456.00

Finding the Fourth Proportional to 150,440.51, 207,609.55 and 82,456.00

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Solution

The fourth proportional to 150,440.51, 207,609.55 and 82,456.00 is: 113,790.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,440.51 : 207,609.55 = 82,456.00 : x
  2. Step 2: Convert to fraction form
    150,440.51/207,609.55 = 82,456.00/x
  3. Step 3: Cross multiply
    150,440.51x = 207,609.55 × 82,456.00
  4. Step 4: Simplify right side
    150,440.51x = 17,118,652,329.64
  5. Step 5: Solve for x
    x = 17,118,652,329.64/150,440.51
  6. Step 6: Final answer
    x = 113,790.18

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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.