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Finding the Fourth Proportional to 194,874.40, 292,311.60 and 155,216.80

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Solution

The fourth proportional to 194,874.40, 292,311.60 and 155,216.80 is: 232,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,874.40 : 292,311.60 = 155,216.80 : x
  2. Step 2: Convert to fraction form
    194,874.40/292,311.60 = 155,216.80/x
  3. Step 3: Cross multiply
    194,874.40x = 292,311.60 × 155,216.80
  4. Step 4: Simplify right side
    194,874.40x = 45,371,671,154.88
  5. Step 5: Solve for x
    x = 45,371,671,154.88/194,874.40
  6. Step 6: Final answer
    x = 232,825.20

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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.