Home / 194,820.90-292,158.45-68,412.30

Finding the Fourth Proportional to 194,820.90, 292,158.45 and 68,412.30

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Solution

The fourth proportional to 194,820.90, 292,158.45 and 68,412.30 is: 102,592.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,820.90 : 292,158.45 = 68,412.30 : x
  2. Step 2: Convert to fraction form
    194,820.90/292,158.45 = 68,412.30/x
  3. Step 3: Cross multiply
    194,820.90x = 292,158.45 × 68,412.30
  4. Step 4: Simplify right side
    194,820.90x = 19,987,231,528.94
  5. Step 5: Solve for x
    x = 19,987,231,528.94/194,820.90
  6. Step 6: Final answer
    x = 102,592.85

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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.