Home / 213,250.05-294,335.51-122,658.35

Finding the Fourth Proportional to 213,250.05, 294,335.51 and 122,658.35

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Solution

The fourth proportional to 213,250.05, 294,335.51 and 122,658.35 is: 169,297.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,250.05 : 294,335.51 = 122,658.35 : x
  2. Step 2: Convert to fraction form
    213,250.05/294,335.51 = 122,658.35/x
  3. Step 3: Cross multiply
    213,250.05x = 294,335.51 × 122,658.35
  4. Step 4: Simplify right side
    213,250.05x = 36,102,705,918.04
  5. Step 5: Solve for x
    x = 36,102,705,918.04/213,250.05
  6. Step 6: Final answer
    x = 169,297.53

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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.