Home / 102,271.20-153,376.56-46,078.80

Finding the Fourth Proportional to 102,271.20, 153,376.56 and 46,078.80

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Solution

The fourth proportional to 102,271.20, 153,376.56 and 46,078.80 is: 69,104.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,271.20 : 153,376.56 = 46,078.80 : x
  2. Step 2: Convert to fraction form
    102,271.20/153,376.56 = 46,078.80/x
  3. Step 3: Cross multiply
    102,271.20x = 153,376.56 × 46,078.80
  4. Step 4: Simplify right side
    102,271.20x = 7,067,407,832.93
  5. Step 5: Solve for x
    x = 7,067,407,832.93/102,271.20
  6. Step 6: Final answer
    x = 69,104.58

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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.