Home / 104,219.40-143,818.62-61,193.16

Finding the Fourth Proportional to 104,219.40, 143,818.62 and 61,193.16

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Solution

The fourth proportional to 104,219.40, 143,818.62 and 61,193.16 is: 84,444.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,219.40 : 143,818.62 = 61,193.16 : x
  2. Step 2: Convert to fraction form
    104,219.40/143,818.62 = 61,193.16/x
  3. Step 3: Cross multiply
    104,219.40x = 143,818.62 × 61,193.16
  4. Step 4: Simplify right side
    104,219.40x = 8,800,715,824.64
  5. Step 5: Solve for x
    x = 8,800,715,824.64/104,219.40
  6. Step 6: Final answer
    x = 84,444.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.