Home / 209,911.14-289,473.87-133,295.10

Finding the Fourth Proportional to 209,911.14, 289,473.87 and 133,295.10

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Solution

The fourth proportional to 209,911.14, 289,473.87 and 133,295.10 is: 183,818.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,911.14 : 289,473.87 = 133,295.10 : x
  2. Step 2: Convert to fraction form
    209,911.14/289,473.87 = 133,295.10/x
  3. Step 3: Cross multiply
    209,911.14x = 289,473.87 × 133,295.10
  4. Step 4: Simplify right side
    209,911.14x = 38,585,448,449.04
  5. Step 5: Solve for x
    x = 38,585,448,449.04/209,911.14
  6. Step 6: Final answer
    x = 183,818.01

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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.