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Finding the Fourth Proportional to 194,616.20, 291,276.30 and 141,156.20

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Solution

The fourth proportional to 194,616.20, 291,276.30 and 141,156.20 is: 211,264.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,616.20 : 291,276.30 = 141,156.20 : x
  2. Step 2: Convert to fraction form
    194,616.20/291,276.30 = 141,156.20/x
  3. Step 3: Cross multiply
    194,616.20x = 291,276.30 × 141,156.20
  4. Step 4: Simplify right side
    194,616.20x = 41,115,455,658.06
  5. Step 5: Solve for x
    x = 41,115,455,658.06/194,616.20
  6. Step 6: Final answer
    x = 211,264.30

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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.