Home / 197,840.92-273,145.08-137,392.24

Finding the Fourth Proportional to 197,840.92, 273,145.08 and 137,392.24

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Solution

The fourth proportional to 197,840.92, 273,145.08 and 137,392.24 is: 189,687.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,840.92 : 273,145.08 = 137,392.24 : x
  2. Step 2: Convert to fraction form
    197,840.92/273,145.08 = 137,392.24/x
  3. Step 3: Cross multiply
    197,840.92x = 273,145.08 × 137,392.24
  4. Step 4: Simplify right side
    197,840.92x = 37,528,014,386.18
  5. Step 5: Solve for x
    x = 37,528,014,386.18/197,840.92
  6. Step 6: Final answer
    x = 189,687.83

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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.