Home / 140,695.08-211,156.41-109,030.05

Finding the Fourth Proportional to 140,695.08, 211,156.41 and 109,030.05

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Solution

The fourth proportional to 140,695.08, 211,156.41 and 109,030.05 is: 163,633.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,695.08 : 211,156.41 = 109,030.05 : x
  2. Step 2: Convert to fraction form
    140,695.08/211,156.41 = 109,030.05/x
  3. Step 3: Cross multiply
    140,695.08x = 211,156.41 × 109,030.05
  4. Step 4: Simplify right side
    140,695.08x = 23,022,393,940.12
  5. Step 5: Solve for x
    x = 23,022,393,940.12/140,695.08
  6. Step 6: Final answer
    x = 163,633.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.