Home / 120,788.99-181,234.67-64,614.38

Finding the Fourth Proportional to 120,788.99, 181,234.67 and 64,614.38

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Solution

The fourth proportional to 120,788.99, 181,234.67 and 64,614.38 is: 96,948.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,788.99 : 181,234.67 = 64,614.38 : x
  2. Step 2: Convert to fraction form
    120,788.99/181,234.67 = 64,614.38/x
  3. Step 3: Cross multiply
    120,788.99x = 181,234.67 × 64,614.38
  4. Step 4: Simplify right side
    120,788.99x = 11,710,364,607.31
  5. Step 5: Solve for x
    x = 11,710,364,607.31/120,788.99
  6. Step 6: Final answer
    x = 96,948.94

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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.