Home / 201,828.06-278,501.79-124,291.38

Finding the Fourth Proportional to 201,828.06, 278,501.79 and 124,291.38

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Solution

The fourth proportional to 201,828.06, 278,501.79 and 124,291.38 is: 171,509.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,828.06 : 278,501.79 = 124,291.38 : x
  2. Step 2: Convert to fraction form
    201,828.06/278,501.79 = 124,291.38/x
  3. Step 3: Cross multiply
    201,828.06x = 278,501.79 × 124,291.38
  4. Step 4: Simplify right side
    201,828.06x = 34,615,371,811.57
  5. Step 5: Solve for x
    x = 34,615,371,811.57/201,828.06
  6. Step 6: Final answer
    x = 171,509.21

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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.