Home / 106,276.19-159,431.58-31,403.88

Finding the Fourth Proportional to 106,276.19, 159,431.58 and 31,403.88

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Solution

The fourth proportional to 106,276.19, 159,431.58 and 31,403.88 is: 47,110.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,276.19 : 159,431.58 = 31,403.88 : x
  2. Step 2: Convert to fraction form
    106,276.19/159,431.58 = 31,403.88/x
  3. Step 3: Cross multiply
    106,276.19x = 159,431.58 × 31,403.88
  4. Step 4: Simplify right side
    106,276.19x = 5,006,770,206.53
  5. Step 5: Solve for x
    x = 5,006,770,206.53/106,276.19
  6. Step 6: Final answer
    x = 47,110.93

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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.