Home / 247,021.65-340,896.50-150,192.21

Finding the Fourth Proportional to 247,021.65, 340,896.50 and 150,192.21

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Solution

The fourth proportional to 247,021.65, 340,896.50 and 150,192.21 is: 207,269.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,021.65 : 340,896.50 = 150,192.21 : x
  2. Step 2: Convert to fraction form
    247,021.65/340,896.50 = 150,192.21/x
  3. Step 3: Cross multiply
    247,021.65x = 340,896.50 × 150,192.21
  4. Step 4: Simplify right side
    247,021.65x = 51,199,997,965.30
  5. Step 5: Solve for x
    x = 51,199,997,965.30/247,021.65
  6. Step 6: Final answer
    x = 207,269.27

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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.