Home / 209,911.68-289,681.14-114,418.37

Finding the Fourth Proportional to 209,911.68, 289,681.14 and 114,418.37

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Solution

The fourth proportional to 209,911.68, 289,681.14 and 114,418.37 is: 157,899.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,911.68 : 289,681.14 = 114,418.37 : x
  2. Step 2: Convert to fraction form
    209,911.68/289,681.14 = 114,418.37/x
  3. Step 3: Cross multiply
    209,911.68x = 289,681.14 × 114,418.37
  4. Step 4: Simplify right side
    209,911.68x = 33,144,844,046.41
  5. Step 5: Solve for x
    x = 33,144,844,046.41/209,911.68
  6. Step 6: Final answer
    x = 157,899.00

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1.5x scale

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.