Home / 167,569.08-231,356.67-128,737.73

Finding the Fourth Proportional to 167,569.08, 231,356.67 and 128,737.73

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Solution

The fourth proportional to 167,569.08, 231,356.67 and 128,737.73 is: 177,743.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,569.08 : 231,356.67 = 128,737.73 : x
  2. Step 2: Convert to fraction form
    167,569.08/231,356.67 = 128,737.73/x
  3. Step 3: Cross multiply
    167,569.08x = 231,356.67 × 128,737.73
  4. Step 4: Simplify right side
    167,569.08x = 29,784,330,715.69
  5. Step 5: Solve for x
    x = 29,784,330,715.69/167,569.08
  6. Step 6: Final answer
    x = 177,743.60

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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.