Home / 257,926.68-355,973.58-144,755.64

Finding the Fourth Proportional to 257,926.68, 355,973.58 and 144,755.64

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Solution

The fourth proportional to 257,926.68, 355,973.58 and 144,755.64 is: 199,782.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,926.68 : 355,973.58 = 144,755.64 : x
  2. Step 2: Convert to fraction form
    257,926.68/355,973.58 = 144,755.64/x
  3. Step 3: Cross multiply
    257,926.68x = 355,973.58 × 144,755.64
  4. Step 4: Simplify right side
    257,926.68x = 51,529,183,395.99
  5. Step 5: Solve for x
    x = 51,529,183,395.99/257,926.68
  6. Step 6: Final answer
    x = 199,782.29

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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.