Home / 156,722.57-235,177.23-56,890.55

Finding the Fourth Proportional to 156,722.57, 235,177.23 and 56,890.55

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Solution

The fourth proportional to 156,722.57, 235,177.23 and 56,890.55 is: 85,369.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,722.57 : 235,177.23 = 56,890.55 : x
  2. Step 2: Convert to fraction form
    156,722.57/235,177.23 = 56,890.55/x
  3. Step 3: Cross multiply
    156,722.57x = 235,177.23 × 56,890.55
  4. Step 4: Simplify right side
    156,722.57x = 13,379,361,962.18
  5. Step 5: Solve for x
    x = 13,379,361,962.18/156,722.57
  6. Step 6: Final answer
    x = 85,369.72

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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.