Home / 156,099.78-234,123.48-56,241.36

Finding the Fourth Proportional to 156,099.78, 234,123.48 and 56,241.36

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Solution

The fourth proportional to 156,099.78, 234,123.48 and 56,241.36 is: 84,352.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,099.78 : 234,123.48 = 56,241.36 : x
  2. Step 2: Convert to fraction form
    156,099.78/234,123.48 = 56,241.36/x
  3. Step 3: Cross multiply
    156,099.78x = 234,123.48 × 56,241.36
  4. Step 4: Simplify right side
    156,099.78x = 13,167,422,923.13
  5. Step 5: Solve for x
    x = 13,167,422,923.13/156,099.78
  6. Step 6: Final answer
    x = 84,352.60

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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.