Home / 334,629.52-501,950.70-81,912.16

Finding the Fourth Proportional to 334,629.52, 501,950.70 and 81,912.16

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Solution

The fourth proportional to 334,629.52, 501,950.70 and 81,912.16 is: 122,869.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,629.52 : 501,950.70 = 81,912.16 : x
  2. Step 2: Convert to fraction form
    334,629.52/501,950.70 = 81,912.16/x
  3. Step 3: Cross multiply
    334,629.52x = 501,950.70 × 81,912.16
  4. Step 4: Simplify right side
    334,629.52x = 41,115,866,050.51
  5. Step 5: Solve for x
    x = 41,115,866,050.51/334,629.52
  6. Step 6: Final answer
    x = 122,869.81

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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.