Home / 131,894.90-182,014.68-71,467.18

Finding the Fourth Proportional to 131,894.90, 182,014.68 and 71,467.18

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Solution

The fourth proportional to 131,894.90, 182,014.68 and 71,467.18 is: 98,624.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,894.90 : 182,014.68 = 71,467.18 : x
  2. Step 2: Convert to fraction form
    131,894.90/182,014.68 = 71,467.18/x
  3. Step 3: Cross multiply
    131,894.90x = 182,014.68 × 71,467.18
  4. Step 4: Simplify right side
    131,894.90x = 13,008,075,540.87
  5. Step 5: Solve for x
    x = 13,008,075,540.87/131,894.90
  6. Step 6: Final answer
    x = 98,624.55

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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.