Home / 248,575.20-372,862.80-82,341.60

Finding the Fourth Proportional to 248,575.20, 372,862.80 and 82,341.60

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Solution

The fourth proportional to 248,575.20, 372,862.80 and 82,341.60 is: 123,512.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,575.20 : 372,862.80 = 82,341.60 : x
  2. Step 2: Convert to fraction form
    248,575.20/372,862.80 = 82,341.60/x
  3. Step 3: Cross multiply
    248,575.20x = 372,862.80 × 82,341.60
  4. Step 4: Simplify right side
    248,575.20x = 30,702,119,532.48
  5. Step 5: Solve for x
    x = 30,702,119,532.48/248,575.20
  6. Step 6: Final answer
    x = 123,512.40

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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.