Home / 257,183.16-354,855.36-155,225.28

Finding the Fourth Proportional to 257,183.16, 354,855.36 and 155,225.28

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Solution

The fourth proportional to 257,183.16, 354,855.36 and 155,225.28 is: 214,176.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,183.16 : 354,855.36 = 155,225.28 : x
  2. Step 2: Convert to fraction form
    257,183.16/354,855.36 = 155,225.28/x
  3. Step 3: Cross multiply
    257,183.16x = 354,855.36 × 155,225.28
  4. Step 4: Simplify right side
    257,183.16x = 55,082,522,615.50
  5. Step 5: Solve for x
    x = 55,082,522,615.50/257,183.16
  6. Step 6: Final answer
    x = 214,176.24

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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.