Home / 213,589.16-294,659.70-122,925.32

Finding the Fourth Proportional to 213,589.16, 294,659.70 and 122,925.32

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Solution

The fourth proportional to 213,589.16, 294,659.70 and 122,925.32 is: 169,583.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,589.16 : 294,659.70 = 122,925.32 : x
  2. Step 2: Convert to fraction form
    213,589.16/294,659.70 = 122,925.32/x
  3. Step 3: Cross multiply
    213,589.16x = 294,659.70 × 122,925.32
  4. Step 4: Simplify right side
    213,589.16x = 36,221,137,913.60
  5. Step 5: Solve for x
    x = 36,221,137,913.60/213,589.16
  6. Step 6: Final answer
    x = 169,583.22

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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.