Home / 217,895.13-300,000.11-185,935.77

Finding the Fourth Proportional to 217,895.13, 300,000.11 and 185,935.77

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Solution

The fourth proportional to 217,895.13, 300,000.11 and 185,935.77 is: 255,998.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,895.13 : 300,000.11 = 185,935.77 : x
  2. Step 2: Convert to fraction form
    217,895.13/300,000.11 = 185,935.77/x
  3. Step 3: Cross multiply
    217,895.13x = 300,000.11 × 185,935.77
  4. Step 4: Simplify right side
    217,895.13x = 55,780,750,523.26
  5. Step 5: Solve for x
    x = 55,780,750,523.26/217,895.13
  6. Step 6: Final answer
    x = 255,998.15

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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.