Home / 134,315.39-185,355.66-73,890.62

Finding the Fourth Proportional to 134,315.39, 185,355.66 and 73,890.62

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Solution

The fourth proportional to 134,315.39, 185,355.66 and 73,890.62 is: 101,969.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,315.39 : 185,355.66 = 73,890.62 : x
  2. Step 2: Convert to fraction form
    134,315.39/185,355.66 = 73,890.62/x
  3. Step 3: Cross multiply
    134,315.39x = 185,355.66 × 73,890.62
  4. Step 4: Simplify right side
    134,315.39x = 13,696,044,916.57
  5. Step 5: Solve for x
    x = 13,696,044,916.57/134,315.39
  6. Step 6: Final answer
    x = 101,969.29

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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.