Home / 411,731.37-617,533.85-112,235.96

Finding the Fourth Proportional to 411,731.37, 617,533.85 and 112,235.96

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Solution

The fourth proportional to 411,731.37, 617,533.85 and 112,235.96 is: 168,336.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,731.37 : 617,533.85 = 112,235.96 : x
  2. Step 2: Convert to fraction form
    411,731.37/617,533.85 = 112,235.96/x
  3. Step 3: Cross multiply
    411,731.37x = 617,533.85 × 112,235.96
  4. Step 4: Simplify right side
    411,731.37x = 69,309,500,838.40
  5. Step 5: Solve for x
    x = 69,309,500,838.40/411,731.37
  6. Step 6: Final answer
    x = 168,336.70

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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.