Home / 114,919.56-158,688.72-84,757.19

Finding the Fourth Proportional to 114,919.56, 158,688.72 and 84,757.19

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Solution

The fourth proportional to 114,919.56, 158,688.72 and 84,757.19 is: 117,038.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,919.56 : 158,688.72 = 84,757.19 : x
  2. Step 2: Convert to fraction form
    114,919.56/158,688.72 = 84,757.19/x
  3. Step 3: Cross multiply
    114,919.56x = 158,688.72 × 84,757.19
  4. Step 4: Simplify right side
    114,919.56x = 13,450,009,198.45
  5. Step 5: Solve for x
    x = 13,450,009,198.45/114,919.56
  6. Step 6: Final answer
    x = 117,038.47

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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.