Home / 107,055.53-147,677.12-84,310.73

Finding the Fourth Proportional to 107,055.53, 147,677.12 and 84,310.73

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Solution

The fourth proportional to 107,055.53, 147,677.12 and 84,310.73 is: 116,301.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,055.53 : 147,677.12 = 84,310.73 : x
  2. Step 2: Convert to fraction form
    107,055.53/147,677.12 = 84,310.73/x
  3. Step 3: Cross multiply
    107,055.53x = 147,677.12 × 84,310.73
  4. Step 4: Simplify right side
    107,055.53x = 12,450,765,369.94
  5. Step 5: Solve for x
    x = 12,450,765,369.94/107,055.53
  6. Step 6: Final answer
    x = 116,301.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.