Home / 136,092.78-204,172.64-47,347.04

Finding the Fourth Proportional to 136,092.78, 204,172.64 and 47,347.04

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Solution

The fourth proportional to 136,092.78, 204,172.64 and 47,347.04 is: 71,032.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,092.78 : 204,172.64 = 47,347.04 : x
  2. Step 2: Convert to fraction form
    136,092.78/204,172.64 = 47,347.04/x
  3. Step 3: Cross multiply
    136,092.78x = 204,172.64 × 47,347.04
  4. Step 4: Simplify right side
    136,092.78x = 9,666,970,152.99
  5. Step 5: Solve for x
    x = 9,666,970,152.99/136,092.78
  6. Step 6: Final answer
    x = 71,032.20

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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.