Home / 197,464.92-272,501.67-106,820.87

Finding the Fourth Proportional to 197,464.92, 272,501.67 and 106,820.87

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Solution

The fourth proportional to 197,464.92, 272,501.67 and 106,820.87 is: 147,412.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,464.92 : 272,501.67 = 106,820.87 : x
  2. Step 2: Convert to fraction form
    197,464.92/272,501.67 = 106,820.87/x
  3. Step 3: Cross multiply
    197,464.92x = 272,501.67 × 106,820.87
  4. Step 4: Simplify right side
    197,464.92x = 29,108,864,103.34
  5. Step 5: Solve for x
    x = 29,108,864,103.34/197,464.92
  6. Step 6: Final answer
    x = 147,412.84

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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.