Home / 209,583.10-289,224.70-114,090.50

Finding the Fourth Proportional to 209,583.10, 289,224.70 and 114,090.50

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Solution

The fourth proportional to 209,583.10, 289,224.70 and 114,090.50 is: 157,444.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,583.10 : 289,224.70 = 114,090.50 : x
  2. Step 2: Convert to fraction form
    209,583.10/289,224.70 = 114,090.50/x
  3. Step 3: Cross multiply
    209,583.10x = 289,224.70 × 114,090.50
  4. Step 4: Simplify right side
    209,583.10x = 32,997,790,635.35
  5. Step 5: Solve for x
    x = 32,997,790,635.35/209,583.10
  6. Step 6: Final answer
    x = 157,444.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.