Home / 114,586.38-158,138.73-63,603.90

Finding the Fourth Proportional to 114,586.38, 158,138.73 and 63,603.90

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Solution

The fourth proportional to 114,586.38, 158,138.73 and 63,603.90 is: 87,778.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,586.38 : 158,138.73 = 63,603.90 : x
  2. Step 2: Convert to fraction form
    114,586.38/158,138.73 = 63,603.90/x
  3. Step 3: Cross multiply
    114,586.38x = 158,138.73 × 63,603.90
  4. Step 4: Simplify right side
    114,586.38x = 10,058,239,969.05
  5. Step 5: Solve for x
    x = 10,058,239,969.05/114,586.38
  6. Step 6: Final answer
    x = 87,778.67

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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.