Home / 190,013.66-262,155.18-109,439.57

Finding the Fourth Proportional to 190,013.66, 262,155.18 and 109,439.57

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Solution

The fourth proportional to 190,013.66, 262,155.18 and 109,439.57 is: 150,989.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,013.66 : 262,155.18 = 109,439.57 : x
  2. Step 2: Convert to fraction form
    190,013.66/262,155.18 = 109,439.57/x
  3. Step 3: Cross multiply
    190,013.66x = 262,155.18 × 109,439.57
  4. Step 4: Simplify right side
    190,013.66x = 28,690,150,172.47
  5. Step 5: Solve for x
    x = 28,690,150,172.47/190,013.66
  6. Step 6: Final answer
    x = 150,989.93

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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.