Home / 156,699.03-235,021.20-56,807.80

Finding the Fourth Proportional to 156,699.03, 235,021.20 and 56,807.80

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Solution

The fourth proportional to 156,699.03, 235,021.20 and 56,807.80 is: 85,201.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,699.03 : 235,021.20 = 56,807.80 : x
  2. Step 2: Convert to fraction form
    156,699.03/235,021.20 = 56,807.80/x
  3. Step 3: Cross multiply
    156,699.03x = 235,021.20 × 56,807.80
  4. Step 4: Simplify right side
    156,699.03x = 13,351,037,325.36
  5. Step 5: Solve for x
    x = 13,351,037,325.36/156,699.03
  6. Step 6: Final answer
    x = 85,201.79

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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.