Home / 130,692.54-196,126.20-55,830.18

Finding the Fourth Proportional to 130,692.54, 196,126.20 and 55,830.18

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Solution

The fourth proportional to 130,692.54, 196,126.20 and 55,830.18 is: 83,782.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,692.54 : 196,126.20 = 55,830.18 : x
  2. Step 2: Convert to fraction form
    130,692.54/196,126.20 = 55,830.18/x
  3. Step 3: Cross multiply
    130,692.54x = 196,126.20 × 55,830.18
  4. Step 4: Simplify right side
    130,692.54x = 10,949,761,048.72
  5. Step 5: Solve for x
    x = 10,949,761,048.72/130,692.54
  6. Step 6: Final answer
    x = 83,782.60

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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.