Home / 114,920.56-158,690.10-84,758.19

Finding the Fourth Proportional to 114,920.56, 158,690.10 and 84,758.19

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Solution

The fourth proportional to 114,920.56, 158,690.10 and 84,758.19 is: 117,039.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,920.56 : 158,690.10 = 84,758.19 : x
  2. Step 2: Convert to fraction form
    114,920.56/158,690.10 = 84,758.19/x
  3. Step 3: Cross multiply
    114,920.56x = 158,690.10 × 84,758.19
  4. Step 4: Simplify right side
    114,920.56x = 13,450,285,646.92
  5. Step 5: Solve for x
    x = 13,450,285,646.92/114,920.56
  6. Step 6: Final answer
    x = 117,039.85

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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.