Home / 213,101.45-294,071.40-117,606.90

Finding the Fourth Proportional to 213,101.45, 294,071.40 and 117,606.90

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Solution

The fourth proportional to 213,101.45, 294,071.40 and 117,606.90 is: 162,292.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,101.45 : 294,071.40 = 117,606.90 : x
  2. Step 2: Convert to fraction form
    213,101.45/294,071.40 = 117,606.90/x
  3. Step 3: Cross multiply
    213,101.45x = 294,071.40 × 117,606.90
  4. Step 4: Simplify right side
    213,101.45x = 34,584,825,732.66
  5. Step 5: Solve for x
    x = 34,584,825,732.66/213,101.45
  6. Step 6: Final answer
    x = 162,292.78

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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.