Home / 197,411.55-272,427.12-106,767.60

Finding the Fourth Proportional to 197,411.55, 272,427.12 and 106,767.60

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Solution

The fourth proportional to 197,411.55, 272,427.12 and 106,767.60 is: 147,338.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,411.55 : 272,427.12 = 106,767.60 : x
  2. Step 2: Convert to fraction form
    197,411.55/272,427.12 = 106,767.60/x
  3. Step 3: Cross multiply
    197,411.55x = 272,427.12 × 106,767.60
  4. Step 4: Simplify right side
    197,411.55x = 29,086,389,777.31
  5. Step 5: Solve for x
    x = 29,086,389,777.31/197,411.55
  6. Step 6: Final answer
    x = 147,338.85

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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.