Home / 194,175.20-291,248.40-81,826.40

Finding the Fourth Proportional to 194,175.20, 291,248.40 and 81,826.40

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Solution

The fourth proportional to 194,175.20, 291,248.40 and 81,826.40 is: 122,733.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,175.20 : 291,248.40 = 81,826.40 : x
  2. Step 2: Convert to fraction form
    194,175.20/291,248.40 = 81,826.40/x
  3. Step 3: Cross multiply
    194,175.20x = 291,248.40 × 81,826.40
  4. Step 4: Simplify right side
    194,175.20x = 23,831,808,077.76
  5. Step 5: Solve for x
    x = 23,831,808,077.76/194,175.20
  6. Step 6: Final answer
    x = 122,733.53

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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.