Home / 356,068.10-491,385.60-194,923.16

Finding the Fourth Proportional to 356,068.10, 491,385.60 and 194,923.16

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Solution

The fourth proportional to 356,068.10, 491,385.60 and 194,923.16 is: 269,000.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,068.10 : 491,385.60 = 194,923.16 : x
  2. Step 2: Convert to fraction form
    356,068.10/491,385.60 = 194,923.16/x
  3. Step 3: Cross multiply
    356,068.10x = 491,385.60 × 194,923.16
  4. Step 4: Simplify right side
    356,068.10x = 95,782,433,930.50
  5. Step 5: Solve for x
    x = 95,782,433,930.50/356,068.10
  6. Step 6: Final answer
    x = 269,000.32

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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.