Home / 136,432.54-204,271.44-69,729.04

Finding the Fourth Proportional to 136,432.54, 204,271.44 and 69,729.04

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Solution

The fourth proportional to 136,432.54, 204,271.44 and 69,729.04 is: 104,400.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,432.54 : 204,271.44 = 69,729.04 : x
  2. Step 2: Convert to fraction form
    136,432.54/204,271.44 = 69,729.04/x
  3. Step 3: Cross multiply
    136,432.54x = 204,271.44 × 69,729.04
  4. Step 4: Simplify right side
    136,432.54x = 14,243,651,410.62
  5. Step 5: Solve for x
    x = 14,243,651,410.62/136,432.54
  6. Step 6: Final answer
    x = 104,400.69

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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.