Home / 106,186.84-159,231.18-39,609.16

Finding the Fourth Proportional to 106,186.84, 159,231.18 and 39,609.16

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Solution

The fourth proportional to 106,186.84, 159,231.18 and 39,609.16 is: 59,395.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,186.84 : 159,231.18 = 39,609.16 : x
  2. Step 2: Convert to fraction form
    106,186.84/159,231.18 = 39,609.16/x
  3. Step 3: Cross multiply
    106,186.84x = 159,231.18 × 39,609.16
  4. Step 4: Simplify right side
    106,186.84x = 6,307,013,285.61
  5. Step 5: Solve for x
    x = 6,307,013,285.61/106,186.84
  6. Step 6: Final answer
    x = 59,395.43

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1.5x scale

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.