Home / 213,894.11-295,172.78-117,106.76

Finding the Fourth Proportional to 213,894.11, 295,172.78 and 117,106.76

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Solution

The fourth proportional to 213,894.11, 295,172.78 and 117,106.76 is: 161,606.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,894.11 : 295,172.78 = 117,106.76 : x
  2. Step 2: Convert to fraction form
    213,894.11/295,172.78 = 117,106.76/x
  3. Step 3: Cross multiply
    213,894.11x = 295,172.78 × 117,106.76
  4. Step 4: Simplify right side
    213,894.11x = 34,566,728,058.39
  5. Step 5: Solve for x
    x = 34,566,728,058.39/213,894.11
  6. Step 6: Final answer
    x = 161,606.73

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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.