Home / 195,918.48-270,370.71-111,033.72

Finding the Fourth Proportional to 195,918.48, 270,370.71 and 111,033.72

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Solution

The fourth proportional to 195,918.48, 270,370.71 and 111,033.72 is: 153,228.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,918.48 : 270,370.71 = 111,033.72 : x
  2. Step 2: Convert to fraction form
    195,918.48/270,370.71 = 111,033.72/x
  3. Step 3: Cross multiply
    195,918.48x = 270,370.71 × 111,033.72
  4. Step 4: Simplify right side
    195,918.48x = 30,020,265,710.34
  5. Step 5: Solve for x
    x = 30,020,265,710.34/195,918.48
  6. Step 6: Final answer
    x = 153,228.35

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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.