Home / 197,336.16-272,319.84-107,912.16

Finding the Fourth Proportional to 197,336.16, 272,319.84 and 107,912.16

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Solution

The fourth proportional to 197,336.16, 272,319.84 and 107,912.16 is: 148,916.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,336.16 : 272,319.84 = 107,912.16 : x
  2. Step 2: Convert to fraction form
    197,336.16/272,319.84 = 107,912.16/x
  3. Step 3: Cross multiply
    197,336.16x = 272,319.84 × 107,912.16
  4. Step 4: Simplify right side
    197,336.16x = 29,386,622,145.25
  5. Step 5: Solve for x
    x = 29,386,622,145.25/197,336.16
  6. Step 6: Final answer
    x = 148,916.56

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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.