Home / 156,919.40-235,407.30-57,219.46

Finding the Fourth Proportional to 156,919.40, 235,407.30 and 57,219.46

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Solution

The fourth proportional to 156,919.40, 235,407.30 and 57,219.46 is: 85,839.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,919.40 : 235,407.30 = 57,219.46 : x
  2. Step 2: Convert to fraction form
    156,919.40/235,407.30 = 57,219.46/x
  3. Step 3: Cross multiply
    156,919.40x = 235,407.30 × 57,219.46
  4. Step 4: Simplify right side
    156,919.40x = 13,469,878,586.06
  5. Step 5: Solve for x
    x = 13,469,878,586.06/156,919.40
  6. Step 6: Final answer
    x = 85,839.47

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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.