Home / 248,856.20-343,421.13-141,426.30

Finding the Fourth Proportional to 248,856.20, 343,421.13 and 141,426.30

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Solution

The fourth proportional to 248,856.20, 343,421.13 and 141,426.30 is: 195,168.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,856.20 : 343,421.13 = 141,426.30 : x
  2. Step 2: Convert to fraction form
    248,856.20/343,421.13 = 141,426.30/x
  3. Step 3: Cross multiply
    248,856.20x = 343,421.13 × 141,426.30
  4. Step 4: Simplify right side
    248,856.20x = 48,568,779,757.72
  5. Step 5: Solve for x
    x = 48,568,779,757.72/248,856.20
  6. Step 6: Final answer
    x = 195,168.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.