Home / 203,628.02-305,442.06-63,386.72

Finding the Fourth Proportional to 203,628.02, 305,442.06 and 63,386.72

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Solution

The fourth proportional to 203,628.02, 305,442.06 and 63,386.72 is: 95,080.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,628.02 : 305,442.06 = 63,386.72 : x
  2. Step 2: Convert to fraction form
    203,628.02/305,442.06 = 63,386.72/x
  3. Step 3: Cross multiply
    203,628.02x = 305,442.06 × 63,386.72
  4. Step 4: Simplify right side
    203,628.02x = 19,360,970,333.44
  5. Step 5: Solve for x
    x = 19,360,970,333.44/203,628.02
  6. Step 6: Final answer
    x = 95,080.09

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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.