Home / 106,215.98-159,269.09-31,326.59

Finding the Fourth Proportional to 106,215.98, 159,269.09 and 31,326.59

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Solution

The fourth proportional to 106,215.98, 159,269.09 and 31,326.59 is: 46,973.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,215.98 : 159,269.09 = 31,326.59 : x
  2. Step 2: Convert to fraction form
    106,215.98/159,269.09 = 31,326.59/x
  3. Step 3: Cross multiply
    106,215.98x = 159,269.09 × 31,326.59
  4. Step 4: Simplify right side
    106,215.98x = 4,989,356,529.12
  5. Step 5: Solve for x
    x = 4,989,356,529.12/106,215.98
  6. Step 6: Final answer
    x = 46,973.69

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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.