Home / 197,692.22-296,660.10-77,728.04

Finding the Fourth Proportional to 197,692.22, 296,660.10 and 77,728.04

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Solution

The fourth proportional to 197,692.22, 296,660.10 and 77,728.04 is: 116,639.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,692.22 : 296,660.10 = 77,728.04 : x
  2. Step 2: Convert to fraction form
    197,692.22/296,660.10 = 77,728.04/x
  3. Step 3: Cross multiply
    197,692.22x = 296,660.10 × 77,728.04
  4. Step 4: Simplify right side
    197,692.22x = 23,058,808,119.20
  5. Step 5: Solve for x
    x = 23,058,808,119.20/197,692.22
  6. Step 6: Final answer
    x = 116,639.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.