Home / 135,458.33-203,312.43-68,946.39

Finding the Fourth Proportional to 135,458.33, 203,312.43 and 68,946.39

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Solution

The fourth proportional to 135,458.33, 203,312.43 and 68,946.39 is: 103,483.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,458.33 : 203,312.43 = 68,946.39 : x
  2. Step 2: Convert to fraction form
    135,458.33/203,312.43 = 68,946.39/x
  3. Step 3: Cross multiply
    135,458.33x = 203,312.43 × 68,946.39
  4. Step 4: Simplify right side
    135,458.33x = 14,017,658,090.63
  5. Step 5: Solve for x
    x = 14,017,658,090.63/135,458.33
  6. Step 6: Final answer
    x = 103,483.18

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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.