Home / 156,941.40-235,325.70-51,706.20

Finding the Fourth Proportional to 156,941.40, 235,325.70 and 51,706.20

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Solution

The fourth proportional to 156,941.40, 235,325.70 and 51,706.20 is: 77,530.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,941.40 : 235,325.70 = 51,706.20 : x
  2. Step 2: Convert to fraction form
    156,941.40/235,325.70 = 51,706.20/x
  3. Step 3: Cross multiply
    156,941.40x = 235,325.70 × 51,706.20
  4. Step 4: Simplify right side
    156,941.40x = 12,167,797,709.34
  5. Step 5: Solve for x
    x = 12,167,797,709.34/156,941.40
  6. Step 6: Final answer
    x = 77,530.83

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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.