Home / 220,109.52-329,840.64-130,059.66

Finding the Fourth Proportional to 220,109.52, 329,840.64 and 130,059.66

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Solution

The fourth proportional to 220,109.52, 329,840.64 and 130,059.66 is: 194,898.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,109.52 : 329,840.64 = 130,059.66 : x
  2. Step 2: Convert to fraction form
    220,109.52/329,840.64 = 130,059.66/x
  3. Step 3: Cross multiply
    220,109.52x = 329,840.64 × 130,059.66
  4. Step 4: Simplify right side
    220,109.52x = 42,898,961,492.58
  5. Step 5: Solve for x
    x = 42,898,961,492.58/220,109.52
  6. Step 6: Final answer
    x = 194,898.26

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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.