Home / 156,738.55-235,107.83-38,411.05

Finding the Fourth Proportional to 156,738.55, 235,107.83 and 38,411.05

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Solution

The fourth proportional to 156,738.55, 235,107.83 and 38,411.05 is: 57,616.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,738.55 : 235,107.83 = 38,411.05 : x
  2. Step 2: Convert to fraction form
    156,738.55/235,107.83 = 38,411.05/x
  3. Step 3: Cross multiply
    156,738.55x = 235,107.83 × 38,411.05
  4. Step 4: Simplify right side
    156,738.55x = 9,030,738,613.52
  5. Step 5: Solve for x
    x = 9,030,738,613.52/156,738.55
  6. Step 6: Final answer
    x = 57,616.58

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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.