Home / 203,622.06-305,359.90-70,466.16

Finding the Fourth Proportional to 203,622.06, 305,359.90 and 70,466.16

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Solution

The fourth proportional to 203,622.06, 305,359.90 and 70,466.16 is: 105,673.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,622.06 : 305,359.90 = 70,466.16 : x
  2. Step 2: Convert to fraction form
    203,622.06/305,359.90 = 70,466.16/x
  3. Step 3: Cross multiply
    203,622.06x = 305,359.90 × 70,466.16
  4. Step 4: Simplify right side
    203,622.06x = 21,517,539,570.98
  5. Step 5: Solve for x
    x = 21,517,539,570.98/203,622.06
  6. Step 6: Final answer
    x = 105,673.91

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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.