Home / 217,849.80-300,597.38-136,168.39

Finding the Fourth Proportional to 217,849.80, 300,597.38 and 136,168.39

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Solution

The fourth proportional to 217,849.80, 300,597.38 and 136,168.39 is: 187,890.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,849.80 : 300,597.38 = 136,168.39 : x
  2. Step 2: Convert to fraction form
    217,849.80/300,597.38 = 136,168.39/x
  3. Step 3: Cross multiply
    217,849.80x = 300,597.38 × 136,168.39
  4. Step 4: Simplify right side
    217,849.80x = 40,931,861,478.35
  5. Step 5: Solve for x
    x = 40,931,861,478.35/217,849.80
  6. Step 6: Final answer
    x = 187,890.28

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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.