Home / 213,911.19-295,228.35-123,249.74

Finding the Fourth Proportional to 213,911.19, 295,228.35 and 123,249.74

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Solution

The fourth proportional to 213,911.19, 295,228.35 and 123,249.74 is: 170,102.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,911.19 : 295,228.35 = 123,249.74 : x
  2. Step 2: Convert to fraction form
    213,911.19/295,228.35 = 123,249.74/x
  3. Step 3: Cross multiply
    213,911.19x = 295,228.35 × 123,249.74
  4. Step 4: Simplify right side
    213,911.19x = 36,386,815,901.99
  5. Step 5: Solve for x
    x = 36,386,815,901.99/213,911.19
  6. Step 6: Final answer
    x = 170,102.44

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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.