Home / 197,667.45-272,780.67-107,023.49

Finding the Fourth Proportional to 197,667.45, 272,780.67 and 107,023.49

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Solution

The fourth proportional to 197,667.45, 272,780.67 and 107,023.49 is: 147,692.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,667.45 : 272,780.67 = 107,023.49 : x
  2. Step 2: Convert to fraction form
    197,667.45/272,780.67 = 107,023.49/x
  3. Step 3: Cross multiply
    197,667.45x = 272,780.67 × 107,023.49
  4. Step 4: Simplify right side
    197,667.45x = 29,193,937,944.04
  5. Step 5: Solve for x
    x = 29,193,937,944.04/197,667.45
  6. Step 6: Final answer
    x = 147,692.19

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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.