Home / 248,390.30-372,473.40-70,855.04

Finding the Fourth Proportional to 248,390.30, 372,473.40 and 70,855.04

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Solution

The fourth proportional to 248,390.30, 372,473.40 and 70,855.04 is: 106,250.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,390.30 : 372,473.40 = 70,855.04 : x
  2. Step 2: Convert to fraction form
    248,390.30/372,473.40 = 70,855.04/x
  3. Step 3: Cross multiply
    248,390.30x = 372,473.40 × 70,855.04
  4. Step 4: Simplify right side
    248,390.30x = 26,391,617,655.94
  5. Step 5: Solve for x
    x = 26,391,617,655.94/248,390.30
  6. Step 6: Final answer
    x = 106,250.60

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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.