Home / 156,763.80-235,077.66-56,890.80

Finding the Fourth Proportional to 156,763.80, 235,077.66 and 56,890.80

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Solution

The fourth proportional to 156,763.80, 235,077.66 and 56,890.80 is: 85,311.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,763.80 : 235,077.66 = 56,890.80 : x
  2. Step 2: Convert to fraction form
    156,763.80/235,077.66 = 56,890.80/x
  3. Step 3: Cross multiply
    156,763.80x = 235,077.66 × 56,890.80
  4. Step 4: Simplify right side
    156,763.80x = 13,373,756,139.53
  5. Step 5: Solve for x
    x = 13,373,756,139.53/156,763.80
  6. Step 6: Final answer
    x = 85,311.51

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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.