Home / 205,064.17-282,954.60-136,971.92

Finding the Fourth Proportional to 205,064.17, 282,954.60 and 136,971.92

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Solution

The fourth proportional to 205,064.17, 282,954.60 and 136,971.92 is: 188,998.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,064.17 : 282,954.60 = 136,971.92 : x
  2. Step 2: Convert to fraction form
    205,064.17/282,954.60 = 136,971.92/x
  3. Step 3: Cross multiply
    205,064.17x = 282,954.60 × 136,971.92
  4. Step 4: Simplify right side
    205,064.17x = 38,756,834,834.83
  5. Step 5: Solve for x
    x = 38,756,834,834.83/205,064.17
  6. Step 6: Final answer
    x = 188,998.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.