Home / 248,847.20-373,270.80-91,091.60

Finding the Fourth Proportional to 248,847.20, 373,270.80 and 91,091.60

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Solution

The fourth proportional to 248,847.20, 373,270.80 and 91,091.60 is: 136,637.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,847.20 : 373,270.80 = 91,091.60 : x
  2. Step 2: Convert to fraction form
    248,847.20/373,270.80 = 91,091.60/x
  3. Step 3: Cross multiply
    248,847.20x = 373,270.80 × 91,091.60
  4. Step 4: Simplify right side
    248,847.20x = 34,001,834,405.28
  5. Step 5: Solve for x
    x = 34,001,834,405.28/248,847.20
  6. Step 6: Final answer
    x = 136,637.40

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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.