Home / 345,246.08-476,376-194,311.04

Finding the Fourth Proportional to 345,246.08, 476,376 and 194,311.04

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Solution

The fourth proportional to 345,246.08, 476,376 and 194,311.04 is: 268,113.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,246.08 : 476,376 = 194,311.04 : x
  2. Step 2: Convert to fraction form
    345,246.08/476,376 = 194,311.04/x
  3. Step 3: Cross multiply
    345,246.08x = 476,376 × 194,311.04
  4. Step 4: Simplify right side
    345,246.08x = 92,565,115,991.04
  5. Step 5: Solve for x
    x = 92,565,115,991.04/345,246.08
  6. Step 6: Final answer
    x = 268,113.45

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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.