Home / 104,384.24-143,851.38-102,464.90

Finding the Fourth Proportional to 104,384.24, 143,851.38 and 102,464.90

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Solution

The fourth proportional to 104,384.24, 143,851.38 and 102,464.90 is: 141,206.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,384.24 : 143,851.38 = 102,464.90 : x
  2. Step 2: Convert to fraction form
    104,384.24/143,851.38 = 102,464.90/x
  3. Step 3: Cross multiply
    104,384.24x = 143,851.38 × 102,464.90
  4. Step 4: Simplify right side
    104,384.24x = 14,739,717,266.56
  5. Step 5: Solve for x
    x = 14,739,717,266.56/104,384.24
  6. Step 6: Final answer
    x = 141,206.35

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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.