Home / 156,694.31-235,134.87-56,862.30

Finding the Fourth Proportional to 156,694.31, 235,134.87 and 56,862.30

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Solution

The fourth proportional to 156,694.31, 235,134.87 and 56,862.30 is: 85,327.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,694.31 : 235,134.87 = 56,862.30 : x
  2. Step 2: Convert to fraction form
    156,694.31/235,134.87 = 56,862.30/x
  3. Step 3: Cross multiply
    156,694.31x = 235,134.87 × 56,862.30
  4. Step 4: Simplify right side
    156,694.31x = 13,370,308,423.41
  5. Step 5: Solve for x
    x = 13,370,308,423.41/156,694.31
  6. Step 6: Final answer
    x = 85,327.34

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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.