Home / 156,693.75-235,134.02-56,861.73

Finding the Fourth Proportional to 156,693.75, 235,134.02 and 56,861.73

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Solution

The fourth proportional to 156,693.75, 235,134.02 and 56,861.73 is: 85,326.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,693.75 : 235,134.02 = 56,861.73 : x
  2. Step 2: Convert to fraction form
    156,693.75/235,134.02 = 56,861.73/x
  3. Step 3: Cross multiply
    156,693.75x = 235,134.02 × 56,861.73
  4. Step 4: Simplify right side
    156,693.75x = 13,370,128,182.96
  5. Step 5: Solve for x
    x = 13,370,128,182.96/156,693.75
  6. Step 6: Final answer
    x = 85,326.49

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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.