Home / 215,533.14-297,436.08-124,906.56

Finding the Fourth Proportional to 215,533.14, 297,436.08 and 124,906.56

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Solution

The fourth proportional to 215,533.14, 297,436.08 and 124,906.56 is: 172,371.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,533.14 : 297,436.08 = 124,906.56 : x
  2. Step 2: Convert to fraction form
    215,533.14/297,436.08 = 124,906.56/x
  3. Step 3: Cross multiply
    215,533.14x = 297,436.08 × 124,906.56
  4. Step 4: Simplify right side
    215,533.14x = 37,151,717,572.68
  5. Step 5: Solve for x
    x = 37,151,717,572.68/215,533.14
  6. Step 6: Final answer
    x = 172,371.25

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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.