Home / 213,686.06-294,901.43-123,065.89

Finding the Fourth Proportional to 213,686.06, 294,901.43 and 123,065.89

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Solution

The fourth proportional to 213,686.06, 294,901.43 and 123,065.89 is: 169,839.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,686.06 : 294,901.43 = 123,065.89 : x
  2. Step 2: Convert to fraction form
    213,686.06/294,901.43 = 123,065.89/x
  3. Step 3: Cross multiply
    213,686.06x = 294,901.43 × 123,065.89
  4. Step 4: Simplify right side
    213,686.06x = 36,292,305,592.64
  5. Step 5: Solve for x
    x = 36,292,305,592.64/213,686.06
  6. Step 6: Final answer
    x = 169,839.37

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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.