Home / 248,266.50-342,609.39-135,090.06

Finding the Fourth Proportional to 248,266.50, 342,609.39 and 135,090.06

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Solution

The fourth proportional to 248,266.50, 342,609.39 and 135,090.06 is: 186,425.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,266.50 : 342,609.39 = 135,090.06 : x
  2. Step 2: Convert to fraction form
    248,266.50/342,609.39 = 135,090.06/x
  3. Step 3: Cross multiply
    248,266.50x = 342,609.39 × 135,090.06
  4. Step 4: Simplify right side
    248,266.50x = 46,283,123,051.66
  5. Step 5: Solve for x
    x = 46,283,123,051.66/248,266.50
  6. Step 6: Final answer
    x = 186,425.16

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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.