Home / 150,569.32-207,675.30-108,171.40

Finding the Fourth Proportional to 150,569.32, 207,675.30 and 108,171.40

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Solution

The fourth proportional to 150,569.32, 207,675.30 and 108,171.40 is: 149,197.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,569.32 : 207,675.30 = 108,171.40 : x
  2. Step 2: Convert to fraction form
    150,569.32/207,675.30 = 108,171.40/x
  3. Step 3: Cross multiply
    150,569.32x = 207,675.30 × 108,171.40
  4. Step 4: Simplify right side
    150,569.32x = 22,464,527,946.42
  5. Step 5: Solve for x
    x = 22,464,527,946.42/150,569.32
  6. Step 6: Final answer
    x = 149,197.25

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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.