Home / 209,749.86-289,445.94-114,257.34

Finding the Fourth Proportional to 209,749.86, 289,445.94 and 114,257.34

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Solution

The fourth proportional to 209,749.86, 289,445.94 and 114,257.34 is: 157,670.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,749.86 : 289,445.94 = 114,257.34 : x
  2. Step 2: Convert to fraction form
    209,749.86/289,445.94 = 114,257.34/x
  3. Step 3: Cross multiply
    209,749.86x = 289,445.94 × 114,257.34
  4. Step 4: Simplify right side
    209,749.86x = 33,071,323,178.20
  5. Step 5: Solve for x
    x = 33,071,323,178.20/209,749.86
  6. Step 6: Final answer
    x = 157,670.30

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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.