Home / 156,946.10-235,433.55-51,765.30

Finding the Fourth Proportional to 156,946.10, 235,433.55 and 51,765.30

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Solution

The fourth proportional to 156,946.10, 235,433.55 and 51,765.30 is: 77,652.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,946.10 : 235,433.55 = 51,765.30 : x
  2. Step 2: Convert to fraction form
    156,946.10/235,433.55 = 51,765.30/x
  3. Step 3: Cross multiply
    156,946.10x = 235,433.55 × 51,765.30
  4. Step 4: Simplify right side
    156,946.10x = 12,187,288,345.82
  5. Step 5: Solve for x
    x = 12,187,288,345.82/156,946.10
  6. Step 6: Final answer
    x = 77,652.70

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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.