Home / 179,931.75-269,737.24-91,139.55

Finding the Fourth Proportional to 179,931.75, 269,737.24 and 91,139.55

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Solution

The fourth proportional to 179,931.75, 269,737.24 and 91,139.55 is: 136,628.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,931.75 : 269,737.24 = 91,139.55 : x
  2. Step 2: Convert to fraction form
    179,931.75/269,737.24 = 91,139.55/x
  3. Step 3: Cross multiply
    179,931.75x = 269,737.24 × 91,139.55
  4. Step 4: Simplify right side
    179,931.75x = 24,583,730,671.84
  5. Step 5: Solve for x
    x = 24,583,730,671.84/179,931.75
  6. Step 6: Final answer
    x = 136,628.09

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1.5x scale

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.