Home / 209,983.32-289,776.96-114,490.26

Finding the Fourth Proportional to 209,983.32, 289,776.96 and 114,490.26

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Solution

The fourth proportional to 209,983.32, 289,776.96 and 114,490.26 is: 157,996.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,983.32 : 289,776.96 = 114,490.26 : x
  2. Step 2: Convert to fraction form
    209,983.32/289,776.96 = 114,490.26/x
  3. Step 3: Cross multiply
    209,983.32x = 289,776.96 × 114,490.26
  4. Step 4: Simplify right side
    209,983.32x = 33,176,639,492.41
  5. Step 5: Solve for x
    x = 33,176,639,492.41/209,983.32
  6. Step 6: Final answer
    x = 157,996.55

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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.