Home / 141,692.04-195,535.02-78,029.28

Finding the Fourth Proportional to 141,692.04, 195,535.02 and 78,029.28

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Solution

The fourth proportional to 141,692.04, 195,535.02 and 78,029.28 is: 107,680.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,692.04 : 195,535.02 = 78,029.28 : x
  2. Step 2: Convert to fraction form
    141,692.04/195,535.02 = 78,029.28/x
  3. Step 3: Cross multiply
    141,692.04x = 195,535.02 × 78,029.28
  4. Step 4: Simplify right side
    141,692.04x = 15,257,456,825.39
  5. Step 5: Solve for x
    x = 15,257,456,825.39/141,692.04
  6. Step 6: Final answer
    x = 107,680.41

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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.