Home / 213,216.03-294,237.99-122,589.72

Finding the Fourth Proportional to 213,216.03, 294,237.99 and 122,589.72

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Solution

The fourth proportional to 213,216.03, 294,237.99 and 122,589.72 is: 169,173.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,216.03 : 294,237.99 = 122,589.72 : x
  2. Step 2: Convert to fraction form
    213,216.03/294,237.99 = 122,589.72/x
  3. Step 3: Cross multiply
    213,216.03x = 294,237.99 × 122,589.72
  4. Step 4: Simplify right side
    213,216.03x = 36,070,552,807.46
  5. Step 5: Solve for x
    x = 36,070,552,807.46/213,216.03
  6. Step 6: Final answer
    x = 169,173.74

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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.