Home / 224,111.80-336,386.40-111,918.70

Finding the Fourth Proportional to 224,111.80, 336,386.40 and 111,918.70

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Solution

The fourth proportional to 224,111.80, 336,386.40 and 111,918.70 is: 167,987.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,111.80 : 336,386.40 = 111,918.70 : x
  2. Step 2: Convert to fraction form
    224,111.80/336,386.40 = 111,918.70/x
  3. Step 3: Cross multiply
    224,111.80x = 336,386.40 × 111,918.70
  4. Step 4: Simplify right side
    224,111.80x = 37,647,928,585.68
  5. Step 5: Solve for x
    x = 37,647,928,585.68/224,111.80
  6. Step 6: Final answer
    x = 167,987.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.