Home / 206,035.25-284,334.91-115,390.98

Finding the Fourth Proportional to 206,035.25, 284,334.91 and 115,390.98

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Solution

The fourth proportional to 206,035.25, 284,334.91 and 115,390.98 is: 159,243.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,035.25 : 284,334.91 = 115,390.98 : x
  2. Step 2: Convert to fraction form
    206,035.25/284,334.91 = 115,390.98/x
  3. Step 3: Cross multiply
    206,035.25x = 284,334.91 × 115,390.98
  4. Step 4: Simplify right side
    206,035.25x = 32,809,683,624.63
  5. Step 5: Solve for x
    x = 32,809,683,624.63/206,035.25
  6. Step 6: Final answer
    x = 159,243.06

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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.