Home / 235,156.77-324,511.92-133,180.74

Finding the Fourth Proportional to 235,156.77, 324,511.92 and 133,180.74

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Solution

The fourth proportional to 235,156.77, 324,511.92 and 133,180.74 is: 183,786.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,156.77 : 324,511.92 = 133,180.74 : x
  2. Step 2: Convert to fraction form
    235,156.77/324,511.92 = 133,180.74/x
  3. Step 3: Cross multiply
    235,156.77x = 324,511.92 × 133,180.74
  4. Step 4: Simplify right side
    235,156.77x = 43,218,737,644.42
  5. Step 5: Solve for x
    x = 43,218,737,644.42/235,156.77
  6. Step 6: Final answer
    x = 183,786.92

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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.