Home / 148,786.36-205,275.23-84,246.77

Finding the Fourth Proportional to 148,786.36, 205,275.23 and 84,246.77

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Solution

The fourth proportional to 148,786.36, 205,275.23 and 84,246.77 is: 116,232.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,786.36 : 205,275.23 = 84,246.77 : x
  2. Step 2: Convert to fraction form
    148,786.36/205,275.23 = 84,246.77/x
  3. Step 3: Cross multiply
    148,786.36x = 205,275.23 × 84,246.77
  4. Step 4: Simplify right side
    148,786.36x = 17,293,775,496.39
  5. Step 5: Solve for x
    x = 17,293,775,496.39/148,786.36
  6. Step 6: Final answer
    x = 116,232.27

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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.