Home / 133,238.66-199,121.18-119,362.14

Finding the Fourth Proportional to 133,238.66, 199,121.18 and 119,362.14

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Solution

The fourth proportional to 133,238.66, 199,121.18 and 119,362.14 is: 178,383.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,238.66 : 199,121.18 = 119,362.14 : x
  2. Step 2: Convert to fraction form
    133,238.66/199,121.18 = 119,362.14/x
  3. Step 3: Cross multiply
    133,238.66x = 199,121.18 × 119,362.14
  4. Step 4: Simplify right side
    133,238.66x = 23,767,529,567.31
  5. Step 5: Solve for x
    x = 23,767,529,567.31/133,238.66
  6. Step 6: Final answer
    x = 178,383.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.