Home / 243,487.43-336,011.94-136,057.57

Finding the Fourth Proportional to 243,487.43, 336,011.94 and 136,057.57

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Solution

The fourth proportional to 243,487.43, 336,011.94 and 136,057.57 is: 187,759.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,487.43 : 336,011.94 = 136,057.57 : x
  2. Step 2: Convert to fraction form
    243,487.43/336,011.94 = 136,057.57/x
  3. Step 3: Cross multiply
    243,487.43x = 336,011.94 × 136,057.57
  4. Step 4: Simplify right side
    243,487.43x = 45,716,967,207.36
  5. Step 5: Solve for x
    x = 45,716,967,207.36/243,487.43
  6. Step 6: Final answer
    x = 187,759.05

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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.