Home / 151,239.48-226,999.56-76,412.18

Finding the Fourth Proportional to 151,239.48, 226,999.56 and 76,412.18

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Solution

The fourth proportional to 151,239.48, 226,999.56 and 76,412.18 is: 114,689.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,239.48 : 226,999.56 = 76,412.18 : x
  2. Step 2: Convert to fraction form
    151,239.48/226,999.56 = 76,412.18/x
  3. Step 3: Cross multiply
    151,239.48x = 226,999.56 × 76,412.18
  4. Step 4: Simplify right side
    151,239.48x = 17,345,531,238.64
  5. Step 5: Solve for x
    x = 17,345,531,238.64/151,239.48
  6. Step 6: Final answer
    x = 114,689.18

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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.