Home / 129,090.33-193,355.07-62,390.58

Finding the Fourth Proportional to 129,090.33, 193,355.07 and 62,390.58

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Solution

The fourth proportional to 129,090.33, 193,355.07 and 62,390.58 is: 93,450.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,090.33 : 193,355.07 = 62,390.58 : x
  2. Step 2: Convert to fraction form
    129,090.33/193,355.07 = 62,390.58/x
  3. Step 3: Cross multiply
    129,090.33x = 193,355.07 × 62,390.58
  4. Step 4: Simplify right side
    129,090.33x = 12,063,534,963.24
  5. Step 5: Solve for x
    x = 12,063,534,963.24/129,090.33
  6. Step 6: Final answer
    x = 93,450.34

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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.