Home / 243,609.32-336,188.37-136,183.88

Finding the Fourth Proportional to 243,609.32, 336,188.37 and 136,183.88

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Solution

The fourth proportional to 243,609.32, 336,188.37 and 136,183.88 is: 187,937.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,609.32 : 336,188.37 = 136,183.88 : x
  2. Step 2: Convert to fraction form
    243,609.32/336,188.37 = 136,183.88/x
  3. Step 3: Cross multiply
    243,609.32x = 336,188.37 × 136,183.88
  4. Step 4: Simplify right side
    243,609.32x = 45,783,437,988.64
  5. Step 5: Solve for x
    x = 45,783,437,988.64/243,609.32
  6. Step 6: Final answer
    x = 187,937.96

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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.