Home / 150,124.96-206,934.24-118,243.36

Finding the Fourth Proportional to 150,124.96, 206,934.24 and 118,243.36

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Solution

The fourth proportional to 150,124.96, 206,934.24 and 118,243.36 is: 162,988.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,124.96 : 206,934.24 = 118,243.36 : x
  2. Step 2: Convert to fraction form
    150,124.96/206,934.24 = 118,243.36/x
  3. Step 3: Cross multiply
    150,124.96x = 206,934.24 × 118,243.36
  4. Step 4: Simplify right side
    150,124.96x = 24,468,599,836.65
  5. Step 5: Solve for x
    x = 24,468,599,836.65/150,124.96
  6. Step 6: Final answer
    x = 162,988.22

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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.