Home / 209,443.56-289,034.09-124,544.22

Finding the Fourth Proportional to 209,443.56, 289,034.09 and 124,544.22

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Solution

The fourth proportional to 209,443.56, 289,034.09 and 124,544.22 is: 171,872.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,443.56 : 289,034.09 = 124,544.22 : x
  2. Step 2: Convert to fraction form
    209,443.56/289,034.09 = 124,544.22/x
  3. Step 3: Cross multiply
    209,443.56x = 289,034.09 × 124,544.22
  4. Step 4: Simplify right side
    209,443.56x = 35,997,524,669.74
  5. Step 5: Solve for x
    x = 35,997,524,669.74/209,443.56
  6. Step 6: Final answer
    x = 171,872.20

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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.