Home / 135,090.89-202,640.43-46,343.12

Finding the Fourth Proportional to 135,090.89, 202,640.43 and 46,343.12

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Solution

The fourth proportional to 135,090.89, 202,640.43 and 46,343.12 is: 69,516.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,090.89 : 202,640.43 = 46,343.12 : x
  2. Step 2: Convert to fraction form
    135,090.89/202,640.43 = 46,343.12/x
  3. Step 3: Cross multiply
    135,090.89x = 202,640.43 × 46,343.12
  4. Step 4: Simplify right side
    135,090.89x = 9,390,988,924.93
  5. Step 5: Solve for x
    x = 9,390,988,924.93/135,090.89
  6. Step 6: Final answer
    x = 69,516.08

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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.