Home / 120,532.48-166,323.64-66,812.93

Finding the Fourth Proportional to 120,532.48, 166,323.64 and 66,812.93

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Solution

The fourth proportional to 120,532.48, 166,323.64 and 66,812.93 is: 92,195.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,532.48 : 166,323.64 = 66,812.93 : x
  2. Step 2: Convert to fraction form
    120,532.48/166,323.64 = 66,812.93/x
  3. Step 3: Cross multiply
    120,532.48x = 166,323.64 × 66,812.93
  4. Step 4: Simplify right side
    120,532.48x = 11,112,569,716.67
  5. Step 5: Solve for x
    x = 11,112,569,716.67/120,532.48
  6. Step 6: Final answer
    x = 92,195.64

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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.