Home / 104,175.18-143,667.24-68,351.58

Finding the Fourth Proportional to 104,175.18, 143,667.24 and 68,351.58

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Solution

The fourth proportional to 104,175.18, 143,667.24 and 68,351.58 is: 94,263.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,175.18 : 143,667.24 = 68,351.58 : x
  2. Step 2: Convert to fraction form
    104,175.18/143,667.24 = 68,351.58/x
  3. Step 3: Cross multiply
    104,175.18x = 143,667.24 × 68,351.58
  4. Step 4: Simplify right side
    104,175.18x = 9,819,882,848.24
  5. Step 5: Solve for x
    x = 9,819,882,848.24/104,175.18
  6. Step 6: Final answer
    x = 94,263.17

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1.5x scale

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.