Home / 106,215.40-159,131.10-61,805.80

Finding the Fourth Proportional to 106,215.40, 159,131.10 and 61,805.80

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Solution

The fourth proportional to 106,215.40, 159,131.10 and 61,805.80 is: 92,596.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,215.40 : 159,131.10 = 61,805.80 : x
  2. Step 2: Convert to fraction form
    106,215.40/159,131.10 = 61,805.80/x
  3. Step 3: Cross multiply
    106,215.40x = 159,131.10 × 61,805.80
  4. Step 4: Simplify right side
    106,215.40x = 9,835,224,940.38
  5. Step 5: Solve for x
    x = 9,835,224,940.38/106,215.40
  6. Step 6: Final answer
    x = 92,596.98

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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.