Home / 133,053.48-183,612.33-75,691.47

Finding the Fourth Proportional to 133,053.48, 183,612.33 and 75,691.47

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Solution

The fourth proportional to 133,053.48, 183,612.33 and 75,691.47 is: 104,453.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,053.48 : 183,612.33 = 75,691.47 : x
  2. Step 2: Convert to fraction form
    133,053.48/183,612.33 = 75,691.47/x
  3. Step 3: Cross multiply
    133,053.48x = 183,612.33 × 75,691.47
  4. Step 4: Simplify right side
    133,053.48x = 13,897,887,167.83
  5. Step 5: Solve for x
    x = 13,897,887,167.83/133,053.48
  6. Step 6: Final answer
    x = 104,453.39

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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.