Home / 156,944.12-216,580.33-85,325.93

Finding the Fourth Proportional to 156,944.12, 216,580.33 and 85,325.93

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Solution

The fourth proportional to 156,944.12, 216,580.33 and 85,325.93 is: 117,748.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,944.12 : 216,580.33 = 85,325.93 : x
  2. Step 2: Convert to fraction form
    156,944.12/216,580.33 = 85,325.93/x
  3. Step 3: Cross multiply
    156,944.12x = 216,580.33 × 85,325.93
  4. Step 4: Simplify right side
    156,944.12x = 18,479,918,076.96
  5. Step 5: Solve for x
    x = 18,479,918,076.96/156,944.12
  6. Step 6: Final answer
    x = 117,748.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.