Home / 514,198.44-771,275.10-140,220.20

Finding the Fourth Proportional to 514,198.44, 771,275.10 and 140,220.20

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Solution

The fourth proportional to 514,198.44, 771,275.10 and 140,220.20 is: 210,324.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,198.44 : 771,275.10 = 140,220.20 : x
  2. Step 2: Convert to fraction form
    514,198.44/771,275.10 = 140,220.20/x
  3. Step 3: Cross multiply
    514,198.44x = 771,275.10 × 140,220.20
  4. Step 4: Simplify right side
    514,198.44x = 108,148,348,777.02
  5. Step 5: Solve for x
    x = 108,148,348,777.02/514,198.44
  6. Step 6: Final answer
    x = 210,324.15

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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.