Home / 194,900.20-268,962.18-105,476.20

Finding the Fourth Proportional to 194,900.20, 268,962.18 and 105,476.20

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Solution

The fourth proportional to 194,900.20, 268,962.18 and 105,476.20 is: 145,557.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,900.20 : 268,962.18 = 105,476.20 : x
  2. Step 2: Convert to fraction form
    194,900.20/268,962.18 = 105,476.20/x
  3. Step 3: Cross multiply
    194,900.20x = 268,962.18 × 105,476.20
  4. Step 4: Simplify right side
    194,900.20x = 28,369,108,690.12
  5. Step 5: Solve for x
    x = 28,369,108,690.12/194,900.20
  6. Step 6: Final answer
    x = 145,557.10

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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.