Home / 257,936.16-355,968.72-144,766.56

Finding the Fourth Proportional to 257,936.16, 355,968.72 and 144,766.56

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Solution

The fourth proportional to 257,936.16, 355,968.72 and 144,766.56 is: 199,787.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,936.16 : 355,968.72 = 144,766.56 : x
  2. Step 2: Convert to fraction form
    257,936.16/355,968.72 = 144,766.56/x
  3. Step 3: Cross multiply
    257,936.16x = 355,968.72 × 144,766.56
  4. Step 4: Simplify right side
    257,936.16x = 51,532,367,062.00
  5. Step 5: Solve for x
    x = 51,532,367,062.00/257,936.16
  6. Step 6: Final answer
    x = 199,787.29

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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.