Home / 202,239.65-280,270.33-199,385.62

Finding the Fourth Proportional to 202,239.65, 280,270.33 and 199,385.62

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Solution

The fourth proportional to 202,239.65, 280,270.33 and 199,385.62 is: 276,315.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,239.65 : 280,270.33 = 199,385.62 : x
  2. Step 2: Convert to fraction form
    202,239.65/280,270.33 = 199,385.62/x
  3. Step 3: Cross multiply
    202,239.65x = 280,270.33 × 199,385.62
  4. Step 4: Simplify right side
    202,239.65x = 55,881,872,315.51
  5. Step 5: Solve for x
    x = 55,881,872,315.51/202,239.65
  6. Step 6: Final answer
    x = 276,315.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.