Home / 136,305.36-204,499.74-69,792.54

Finding the Fourth Proportional to 136,305.36, 204,499.74 and 69,792.54

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Solution

The fourth proportional to 136,305.36, 204,499.74 and 69,792.54 is: 104,710.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,305.36 : 204,499.74 = 69,792.54 : x
  2. Step 2: Convert to fraction form
    136,305.36/204,499.74 = 69,792.54/x
  3. Step 3: Cross multiply
    136,305.36x = 204,499.74 × 69,792.54
  4. Step 4: Simplify right side
    136,305.36x = 14,272,556,283.94
  5. Step 5: Solve for x
    x = 14,272,556,283.94/136,305.36
  6. Step 6: Final answer
    x = 104,710.16

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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.