Home / 102,918.08-154,374.24-32,801.60

Finding the Fourth Proportional to 102,918.08, 154,374.24 and 32,801.60

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Solution

The fourth proportional to 102,918.08, 154,374.24 and 32,801.60 is: 49,201.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,918.08 : 154,374.24 = 32,801.60 : x
  2. Step 2: Convert to fraction form
    102,918.08/154,374.24 = 32,801.60/x
  3. Step 3: Cross multiply
    102,918.08x = 154,374.24 × 32,801.60
  4. Step 4: Simplify right side
    102,918.08x = 5,063,722,070.78
  5. Step 5: Solve for x
    x = 5,063,722,070.78/102,918.08
  6. Step 6: Final answer
    x = 49,201.48

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1.5x scale

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.