Home / 248,904.90-373,359.51-80,425.25

Finding the Fourth Proportional to 248,904.90, 373,359.51 and 80,425.25

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Solution

The fourth proportional to 248,904.90, 373,359.51 and 80,425.25 is: 120,638.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,904.90 : 373,359.51 = 80,425.25 : x
  2. Step 2: Convert to fraction form
    248,904.90/373,359.51 = 80,425.25/x
  3. Step 3: Cross multiply
    248,904.90x = 373,359.51 × 80,425.25
  4. Step 4: Simplify right side
    248,904.90x = 30,027,531,931.63
  5. Step 5: Solve for x
    x = 30,027,531,931.63/248,904.90
  6. Step 6: Final answer
    x = 120,638.57

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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.