Home / 209,895.36-289,661.28-114,396.48

Finding the Fourth Proportional to 209,895.36, 289,661.28 and 114,396.48

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Solution

The fourth proportional to 209,895.36, 289,661.28 and 114,396.48 is: 157,870.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,895.36 : 289,661.28 = 114,396.48 : x
  2. Step 2: Convert to fraction form
    209,895.36/289,661.28 = 114,396.48/x
  3. Step 3: Cross multiply
    209,895.36x = 289,661.28 × 114,396.48
  4. Step 4: Simplify right side
    209,895.36x = 33,136,230,824.29
  5. Step 5: Solve for x
    x = 33,136,230,824.29/209,895.36
  6. Step 6: Final answer
    x = 157,870.24

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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.