Home / 209,621.24-289,282.53-114,133.17

Finding the Fourth Proportional to 209,621.24, 289,282.53 and 114,133.17

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Solution

The fourth proportional to 209,621.24, 289,282.53 and 114,133.17 is: 157,506.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,621.24 : 289,282.53 = 114,133.17 : x
  2. Step 2: Convert to fraction form
    209,621.24/289,282.53 = 114,133.17/x
  3. Step 3: Cross multiply
    209,621.24x = 289,282.53 × 114,133.17
  4. Step 4: Simplify right side
    209,621.24x = 33,016,732,174.52
  5. Step 5: Solve for x
    x = 33,016,732,174.52/209,621.24
  6. Step 6: Final answer
    x = 157,506.62

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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.