Home / 113,989.92-157,309.20-63,692.16

Finding the Fourth Proportional to 113,989.92, 157,309.20 and 63,692.16

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Solution

The fourth proportional to 113,989.92, 157,309.20 and 63,692.16 is: 87,896.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,989.92 : 157,309.20 = 63,692.16 : x
  2. Step 2: Convert to fraction form
    113,989.92/157,309.20 = 63,692.16/x
  3. Step 3: Cross multiply
    113,989.92x = 157,309.20 × 63,692.16
  4. Step 4: Simplify right side
    113,989.92x = 10,019,362,735.87
  5. Step 5: Solve for x
    x = 10,019,362,735.87/113,989.92
  6. Step 6: Final answer
    x = 87,896.92

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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.