Home / 137,166.16-205,747.76-104,089.36

Finding the Fourth Proportional to 137,166.16, 205,747.76 and 104,089.36

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Solution

The fourth proportional to 137,166.16, 205,747.76 and 104,089.36 is: 156,132.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,166.16 : 205,747.76 = 104,089.36 : x
  2. Step 2: Convert to fraction form
    137,166.16/205,747.76 = 104,089.36/x
  3. Step 3: Cross multiply
    137,166.16x = 205,747.76 × 104,089.36
  4. Step 4: Simplify right side
    137,166.16x = 21,416,152,659.83
  5. Step 5: Solve for x
    x = 21,416,152,659.83/137,166.16
  6. Step 6: Final answer
    x = 156,132.92

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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.