Home / 356,106.04-491,432.16-194,958.40

Finding the Fourth Proportional to 356,106.04, 491,432.16 and 194,958.40

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Solution

The fourth proportional to 356,106.04, 491,432.16 and 194,958.40 is: 269,045.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,106.04 : 491,432.16 = 194,958.40 : x
  2. Step 2: Convert to fraction form
    356,106.04/491,432.16 = 194,958.40/x
  3. Step 3: Cross multiply
    356,106.04x = 491,432.16 × 194,958.40
  4. Step 4: Simplify right side
    356,106.04x = 95,808,827,622.14
  5. Step 5: Solve for x
    x = 95,808,827,622.14/356,106.04
  6. Step 6: Final answer
    x = 269,045.78

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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.