Home / 120,789.99-181,236.17-64,615.38

Finding the Fourth Proportional to 120,789.99, 181,236.17 and 64,615.38

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Solution

The fourth proportional to 120,789.99, 181,236.17 and 64,615.38 is: 96,950.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,789.99 : 181,236.17 = 64,615.38 : x
  2. Step 2: Convert to fraction form
    120,789.99/181,236.17 = 64,615.38/x
  3. Step 3: Cross multiply
    120,789.99x = 181,236.17 × 64,615.38
  4. Step 4: Simplify right side
    120,789.99x = 11,710,643,994.29
  5. Step 5: Solve for x
    x = 11,710,643,994.29/120,789.99
  6. Step 6: Final answer
    x = 96,950.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.