Home / 193,027.19-266,044.84-128,380.82

Finding the Fourth Proportional to 193,027.19, 266,044.84 and 128,380.82

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Solution

The fourth proportional to 193,027.19, 266,044.84 and 128,380.82 is: 176,944.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,027.19 : 266,044.84 = 128,380.82 : x
  2. Step 2: Convert to fraction form
    193,027.19/266,044.84 = 128,380.82/x
  3. Step 3: Cross multiply
    193,027.19x = 266,044.84 × 128,380.82
  4. Step 4: Simplify right side
    193,027.19x = 34,155,053,064.79
  5. Step 5: Solve for x
    x = 34,155,053,064.79/193,027.19
  6. Step 6: Final answer
    x = 176,944.26

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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.