Home / 200,144.15-276,153.70-119,555.90

Finding the Fourth Proportional to 200,144.15, 276,153.70 and 119,555.90

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Solution

The fourth proportional to 200,144.15, 276,153.70 and 119,555.90 is: 164,960.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,144.15 : 276,153.70 = 119,555.90 : x
  2. Step 2: Convert to fraction form
    200,144.15/276,153.70 = 119,555.90/x
  3. Step 3: Cross multiply
    200,144.15x = 276,153.70 × 119,555.90
  4. Step 4: Simplify right side
    200,144.15x = 33,015,804,141.83
  5. Step 5: Solve for x
    x = 33,015,804,141.83/200,144.15
  6. Step 6: Final answer
    x = 164,960.13

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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.