Home / 156,900.16-235,276.32-56,989.92

Finding the Fourth Proportional to 156,900.16, 235,276.32 and 56,989.92

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Solution

The fourth proportional to 156,900.16, 235,276.32 and 56,989.92 is: 85,458.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,900.16 : 235,276.32 = 56,989.92 : x
  2. Step 2: Convert to fraction form
    156,900.16/235,276.32 = 56,989.92/x
  3. Step 3: Cross multiply
    156,900.16x = 235,276.32 × 56,989.92
  4. Step 4: Simplify right side
    156,900.16x = 13,408,378,654.69
  5. Step 5: Solve for x
    x = 13,408,378,654.69/156,900.16
  6. Step 6: Final answer
    x = 85,458.03

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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.