Home / 209,936.32-289,703.84-114,440.96

Finding the Fourth Proportional to 209,936.32, 289,703.84 and 114,440.96

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Solution

The fourth proportional to 209,936.32, 289,703.84 and 114,440.96 is: 157,924.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,936.32 : 289,703.84 = 114,440.96 : x
  2. Step 2: Convert to fraction form
    209,936.32/289,703.84 = 114,440.96/x
  3. Step 3: Cross multiply
    209,936.32x = 289,703.84 × 114,440.96
  4. Step 4: Simplify right side
    209,936.32x = 33,153,985,565.29
  5. Step 5: Solve for x
    x = 33,153,985,565.29/209,936.32
  6. Step 6: Final answer
    x = 157,924.01

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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.