Home / 136,160.13-203,890.27-83,409.69

Finding the Fourth Proportional to 136,160.13, 203,890.27 and 83,409.69

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Solution

The fourth proportional to 136,160.13, 203,890.27 and 83,409.69 is: 124,900.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,160.13 : 203,890.27 = 83,409.69 : x
  2. Step 2: Convert to fraction form
    136,160.13/203,890.27 = 83,409.69/x
  3. Step 3: Cross multiply
    136,160.13x = 203,890.27 × 83,409.69
  4. Step 4: Simplify right side
    136,160.13x = 17,006,424,214.72
  5. Step 5: Solve for x
    x = 17,006,424,214.72/136,160.13
  6. Step 6: Final answer
    x = 124,900.18

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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.