Home / 103,566.82-143,011.89-98,252.50

Finding the Fourth Proportional to 103,566.82, 143,011.89 and 98,252.50

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Solution

The fourth proportional to 103,566.82, 143,011.89 and 98,252.50 is: 135,673.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,566.82 : 143,011.89 = 98,252.50 : x
  2. Step 2: Convert to fraction form
    103,566.82/143,011.89 = 98,252.50/x
  3. Step 3: Cross multiply
    103,566.82x = 143,011.89 × 98,252.50
  4. Step 4: Simplify right side
    103,566.82x = 14,051,275,722.23
  5. Step 5: Solve for x
    x = 14,051,275,722.23/103,566.82
  6. Step 6: Final answer
    x = 135,673.53

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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.