Home / 106,141.76-159,187.11-31,241.57

Finding the Fourth Proportional to 106,141.76, 159,187.11 and 31,241.57

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Solution

The fourth proportional to 106,141.76, 159,187.11 and 31,241.57 is: 46,854.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,141.76 : 159,187.11 = 31,241.57 : x
  2. Step 2: Convert to fraction form
    106,141.76/159,187.11 = 31,241.57/x
  3. Step 3: Cross multiply
    106,141.76x = 159,187.11 × 31,241.57
  4. Step 4: Simplify right side
    106,141.76x = 4,973,254,444.23
  5. Step 5: Solve for x
    x = 4,973,254,444.23/106,141.76
  6. Step 6: Final answer
    x = 46,854.84

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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.