Home / 243,491.40-336,011.68-136,062.31

Finding the Fourth Proportional to 243,491.40, 336,011.68 and 136,062.31

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Solution

The fourth proportional to 243,491.40, 336,011.68 and 136,062.31 is: 187,762.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,491.40 : 336,011.68 = 136,062.31 : x
  2. Step 2: Convert to fraction form
    243,491.40/336,011.68 = 136,062.31/x
  3. Step 3: Cross multiply
    243,491.40x = 336,011.68 × 136,062.31
  4. Step 4: Simplify right side
    243,491.40x = 45,718,524,687.47
  5. Step 5: Solve for x
    x = 45,718,524,687.47/243,491.40
  6. Step 6: Final answer
    x = 187,762.38

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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.