Home / 148,673.41-205,169.22-84,141.46

Finding the Fourth Proportional to 148,673.41, 205,169.22 and 84,141.46

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Solution

The fourth proportional to 148,673.41, 205,169.22 and 84,141.46 is: 116,115.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,673.41 : 205,169.22 = 84,141.46 : x
  2. Step 2: Convert to fraction form
    148,673.41/205,169.22 = 84,141.46/x
  3. Step 3: Cross multiply
    148,673.41x = 205,169.22 × 84,141.46
  4. Step 4: Simplify right side
    148,673.41x = 17,263,237,717.86
  5. Step 5: Solve for x
    x = 17,263,237,717.86/148,673.41
  6. Step 6: Final answer
    x = 116,115.17

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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.