Home / 213,114.06-294,135.52-127,078.58

Finding the Fourth Proportional to 213,114.06, 294,135.52 and 127,078.58

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Solution

The fourth proportional to 213,114.06, 294,135.52 and 127,078.58 is: 175,391.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,114.06 : 294,135.52 = 127,078.58 : x
  2. Step 2: Convert to fraction form
    213,114.06/294,135.52 = 127,078.58/x
  3. Step 3: Cross multiply
    213,114.06x = 294,135.52 × 127,078.58
  4. Step 4: Simplify right side
    213,114.06x = 37,378,324,209.16
  5. Step 5: Solve for x
    x = 37,378,324,209.16/213,114.06
  6. Step 6: Final answer
    x = 175,391.17

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1.5x scale

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.