Home / 131,798.72-198,528.08-120,027.26

Finding the Fourth Proportional to 131,798.72, 198,528.08 and 120,027.26

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Solution

The fourth proportional to 131,798.72, 198,528.08 and 120,027.26 is: 180,796.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,798.72 : 198,528.08 = 120,027.26 : x
  2. Step 2: Convert to fraction form
    131,798.72/198,528.08 = 120,027.26/x
  3. Step 3: Cross multiply
    131,798.72x = 198,528.08 × 120,027.26
  4. Step 4: Simplify right side
    131,798.72x = 23,828,781,475.46
  5. Step 5: Solve for x
    x = 23,828,781,475.46/131,798.72
  6. Step 6: Final answer
    x = 180,796.76

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.