Home / 136,166.58-204,255.36-47,429.06

Finding the Fourth Proportional to 136,166.58, 204,255.36 and 47,429.06

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Solution

The fourth proportional to 136,166.58, 204,255.36 and 47,429.06 is: 71,145.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,166.58 : 204,255.36 = 47,429.06 : x
  2. Step 2: Convert to fraction form
    136,166.58/204,255.36 = 47,429.06/x
  3. Step 3: Cross multiply
    136,166.58x = 204,255.36 × 47,429.06
  4. Step 4: Simplify right side
    136,166.58x = 9,687,638,703.48
  5. Step 5: Solve for x
    x = 9,687,638,703.48/136,166.58
  6. Step 6: Final answer
    x = 71,145.49

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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.