Home / 119,732.45-165,238.21-66,017.37

Finding the Fourth Proportional to 119,732.45, 165,238.21 and 66,017.37

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Solution

The fourth proportional to 119,732.45, 165,238.21 and 66,017.37 is: 91,108.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,732.45 : 165,238.21 = 66,017.37 : x
  2. Step 2: Convert to fraction form
    119,732.45/165,238.21 = 66,017.37/x
  3. Step 3: Cross multiply
    119,732.45x = 165,238.21 × 66,017.37
  4. Step 4: Simplify right side
    119,732.45x = 10,908,592,749.87
  5. Step 5: Solve for x
    x = 10,908,592,749.87/119,732.45
  6. Step 6: Final answer
    x = 91,108.08

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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.