Home / 104,265.12-143,952.40-68,518.56

Finding the Fourth Proportional to 104,265.12, 143,952.40 and 68,518.56

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Solution

The fourth proportional to 104,265.12, 143,952.40 and 68,518.56 is: 94,599.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,265.12 : 143,952.40 = 68,518.56 : x
  2. Step 2: Convert to fraction form
    104,265.12/143,952.40 = 68,518.56/x
  3. Step 3: Cross multiply
    104,265.12x = 143,952.40 × 68,518.56
  4. Step 4: Simplify right side
    104,265.12x = 9,863,411,156.54
  5. Step 5: Solve for x
    x = 9,863,411,156.54/104,265.12
  6. Step 6: Final answer
    x = 94,599.34

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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.