Home / 243,628.66-336,206.01-136,198.18

Finding the Fourth Proportional to 243,628.66, 336,206.01 and 136,198.18

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Solution

The fourth proportional to 243,628.66, 336,206.01 and 136,198.18 is: 187,952.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,628.66 : 336,206.01 = 136,198.18 : x
  2. Step 2: Convert to fraction form
    243,628.66/336,206.01 = 136,198.18/x
  3. Step 3: Cross multiply
    243,628.66x = 336,206.01 × 136,198.18
  4. Step 4: Simplify right side
    243,628.66x = 45,790,646,667.06
  5. Step 5: Solve for x
    x = 45,790,646,667.06/243,628.66
  6. Step 6: Final answer
    x = 187,952.63

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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.