Home / 200,158.35-276,151.46-115,273.59

Finding the Fourth Proportional to 200,158.35, 276,151.46 and 115,273.59

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Solution

The fourth proportional to 200,158.35, 276,151.46 and 115,273.59 is: 159,038.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,158.35 : 276,151.46 = 115,273.59 : x
  2. Step 2: Convert to fraction form
    200,158.35/276,151.46 = 115,273.59/x
  3. Step 3: Cross multiply
    200,158.35x = 276,151.46 × 115,273.59
  4. Step 4: Simplify right side
    200,158.35x = 31,832,969,601.57
  5. Step 5: Solve for x
    x = 31,832,969,601.57/200,158.35
  6. Step 6: Final answer
    x = 159,038.93

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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.