Home / 197,456.25-272,533.46-136,288.29

Finding the Fourth Proportional to 197,456.25, 272,533.46 and 136,288.29

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Solution

The fourth proportional to 197,456.25, 272,533.46 and 136,288.29 is: 188,108.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,456.25 : 272,533.46 = 136,288.29 : x
  2. Step 2: Convert to fraction form
    197,456.25/272,533.46 = 136,288.29/x
  3. Step 3: Cross multiply
    197,456.25x = 272,533.46 × 136,288.29
  4. Step 4: Simplify right side
    197,456.25x = 37,143,118,549.74
  5. Step 5: Solve for x
    x = 37,143,118,549.74/197,456.25
  6. Step 6: Final answer
    x = 188,108.09

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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.