Home / 136,717.18-205,097.64-57,853.96

Finding the Fourth Proportional to 136,717.18, 205,097.64 and 57,853.96

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Solution

The fourth proportional to 136,717.18, 205,097.64 and 57,853.96 is: 86,790.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,717.18 : 205,097.64 = 57,853.96 : x
  2. Step 2: Convert to fraction form
    136,717.18/205,097.64 = 57,853.96/x
  3. Step 3: Cross multiply
    136,717.18x = 205,097.64 × 57,853.96
  4. Step 4: Simplify right side
    136,717.18x = 11,865,710,660.65
  5. Step 5: Solve for x
    x = 11,865,710,660.65/136,717.18
  6. Step 6: Final answer
    x = 86,790.19

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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.