Home / 248,421.20-372,646.20-70,941.20

Finding the Fourth Proportional to 248,421.20, 372,646.20 and 70,941.20

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Solution

The fourth proportional to 248,421.20, 372,646.20 and 70,941.20 is: 106,415.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,421.20 : 372,646.20 = 70,941.20 : x
  2. Step 2: Convert to fraction form
    248,421.20/372,646.20 = 70,941.20/x
  3. Step 3: Cross multiply
    248,421.20x = 372,646.20 × 70,941.20
  4. Step 4: Simplify right side
    248,421.20x = 26,435,968,603.44
  5. Step 5: Solve for x
    x = 26,435,968,603.44/248,421.20
  6. Step 6: Final answer
    x = 106,415.91

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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.