Home / 136,908.83-205,436.76-57,001.96

Finding the Fourth Proportional to 136,908.83, 205,436.76 and 57,001.96

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Solution

The fourth proportional to 136,908.83, 205,436.76 and 57,001.96 is: 85,533.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,908.83 : 205,436.76 = 57,001.96 : x
  2. Step 2: Convert to fraction form
    136,908.83/205,436.76 = 57,001.96/x
  3. Step 3: Cross multiply
    136,908.83x = 205,436.76 × 57,001.96
  4. Step 4: Simplify right side
    136,908.83x = 11,710,296,806.36
  5. Step 5: Solve for x
    x = 11,710,296,806.36/136,908.83
  6. Step 6: Final answer
    x = 85,533.54

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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.