Home / 257,312.20-385,969.18-182,205.14

Finding the Fourth Proportional to 257,312.20, 385,969.18 and 182,205.14

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Solution

The fourth proportional to 257,312.20, 385,969.18 and 182,205.14 is: 273,308.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,312.20 : 385,969.18 = 182,205.14 : x
  2. Step 2: Convert to fraction form
    257,312.20/385,969.18 = 182,205.14/x
  3. Step 3: Cross multiply
    257,312.20x = 385,969.18 × 182,205.14
  4. Step 4: Simplify right side
    257,312.20x = 70,325,568,477.59
  5. Step 5: Solve for x
    x = 70,325,568,477.59/257,312.20
  6. Step 6: Final answer
    x = 273,308.33

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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.