Home / 175,633.46-263,238.03-85,541.15

Finding the Fourth Proportional to 175,633.46, 263,238.03 and 85,541.15

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Solution

The fourth proportional to 175,633.46, 263,238.03 and 85,541.15 is: 128,208.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,633.46 : 263,238.03 = 85,541.15 : x
  2. Step 2: Convert to fraction form
    175,633.46/263,238.03 = 85,541.15/x
  3. Step 3: Cross multiply
    175,633.46x = 263,238.03 × 85,541.15
  4. Step 4: Simplify right side
    175,633.46x = 22,517,683,809.93
  5. Step 5: Solve for x
    x = 22,517,683,809.93/175,633.46
  6. Step 6: Final answer
    x = 128,208.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.