Home / 105,625.12-158,286-63,522.40

Finding the Fourth Proportional to 105,625.12, 158,286 and 63,522.40

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Solution

The fourth proportional to 105,625.12, 158,286 and 63,522.40 is: 95,192.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,625.12 : 158,286 = 63,522.40 : x
  2. Step 2: Convert to fraction form
    105,625.12/158,286 = 63,522.40/x
  3. Step 3: Cross multiply
    105,625.12x = 158,286 × 63,522.40
  4. Step 4: Simplify right side
    105,625.12x = 10,054,706,606.40
  5. Step 5: Solve for x
    x = 10,054,706,606.40/105,625.12
  6. Step 6: Final answer
    x = 95,192.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.