Home / 257,190.32-386,378.40-246,561.68

Finding the Fourth Proportional to 257,190.32, 386,378.40 and 246,561.68

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Solution

The fourth proportional to 257,190.32, 386,378.40 and 246,561.68 is: 370,410.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,190.32 : 386,378.40 = 246,561.68 : x
  2. Step 2: Convert to fraction form
    257,190.32/386,378.40 = 246,561.68/x
  3. Step 3: Cross multiply
    257,190.32x = 386,378.40 × 246,561.68
  4. Step 4: Simplify right side
    257,190.32x = 95,266,107,419.71
  5. Step 5: Solve for x
    x = 95,266,107,419.71/257,190.32
  6. Step 6: Final answer
    x = 370,410.94

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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.