Home / 120,991.86-181,324.32-46,071.14

Finding the Fourth Proportional to 120,991.86, 181,324.32 and 46,071.14

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Solution

The fourth proportional to 120,991.86, 181,324.32 and 46,071.14 is: 69,044.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,991.86 : 181,324.32 = 46,071.14 : x
  2. Step 2: Convert to fraction form
    120,991.86/181,324.32 = 46,071.14/x
  3. Step 3: Cross multiply
    120,991.86x = 181,324.32 × 46,071.14
  4. Step 4: Simplify right side
    120,991.86x = 8,353,817,225.50
  5. Step 5: Solve for x
    x = 8,353,817,225.50/120,991.86
  6. Step 6: Final answer
    x = 69,044.46

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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.