Home / 194,583.20-291,898.72-66,520.58

Finding the Fourth Proportional to 194,583.20, 291,898.72 and 66,520.58

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Solution

The fourth proportional to 194,583.20, 291,898.72 and 66,520.58 is: 99,789.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,583.20 : 291,898.72 = 66,520.58 : x
  2. Step 2: Convert to fraction form
    194,583.20/291,898.72 = 66,520.58/x
  3. Step 3: Cross multiply
    194,583.20x = 291,898.72 × 66,520.58
  4. Step 4: Simplify right side
    194,583.20x = 19,417,272,155.66
  5. Step 5: Solve for x
    x = 19,417,272,155.66/194,583.20
  6. Step 6: Final answer
    x = 99,789.05

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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.