Home / 207,266.02-310,898.96-74,138.20

Finding the Fourth Proportional to 207,266.02, 310,898.96 and 74,138.20

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Solution

The fourth proportional to 207,266.02, 310,898.96 and 74,138.20 is: 111,207.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,266.02 : 310,898.96 = 74,138.20 : x
  2. Step 2: Convert to fraction form
    207,266.02/310,898.96 = 74,138.20/x
  3. Step 3: Cross multiply
    207,266.02x = 310,898.96 × 74,138.20
  4. Step 4: Simplify right side
    207,266.02x = 23,049,489,276.27
  5. Step 5: Solve for x
    x = 23,049,489,276.27/207,266.02
  6. Step 6: Final answer
    x = 111,207.27

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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.