Home / 243,775.35-336,382.80-136,343.23

Finding the Fourth Proportional to 243,775.35, 336,382.80 and 136,343.23

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Solution

The fourth proportional to 243,775.35, 336,382.80 and 136,343.23 is: 188,138.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,775.35 : 336,382.80 = 136,343.23 : x
  2. Step 2: Convert to fraction form
    243,775.35/336,382.80 = 136,343.23/x
  3. Step 3: Cross multiply
    243,775.35x = 336,382.80 × 136,343.23
  4. Step 4: Simplify right side
    243,775.35x = 45,863,517,468.44
  5. Step 5: Solve for x
    x = 45,863,517,468.44/243,775.35
  6. Step 6: Final answer
    x = 188,138.45

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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.