Home / 156,985.70-235,404.35-57,076.26

Finding the Fourth Proportional to 156,985.70, 235,404.35 and 57,076.26

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Solution

The fourth proportional to 156,985.70, 235,404.35 and 57,076.26 is: 85,587.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,985.70 : 235,404.35 = 57,076.26 : x
  2. Step 2: Convert to fraction form
    156,985.70/235,404.35 = 57,076.26/x
  3. Step 3: Cross multiply
    156,985.70x = 235,404.35 × 57,076.26
  4. Step 4: Simplify right side
    156,985.70x = 13,435,999,885.73
  5. Step 5: Solve for x
    x = 13,435,999,885.73/156,985.70
  6. Step 6: Final answer
    x = 85,587.41

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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.