Home / 257,326.94-355,111.22-144,149.69

Finding the Fourth Proportional to 257,326.94, 355,111.22 and 144,149.69

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Solution

The fourth proportional to 257,326.94, 355,111.22 and 144,149.69 is: 198,926.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,326.94 : 355,111.22 = 144,149.69 : x
  2. Step 2: Convert to fraction form
    257,326.94/355,111.22 = 144,149.69/x
  3. Step 3: Cross multiply
    257,326.94x = 355,111.22 × 144,149.69
  4. Step 4: Simplify right side
    257,326.94x = 51,189,173,526.67
  5. Step 5: Solve for x
    x = 51,189,173,526.67/257,326.94
  6. Step 6: Final answer
    x = 198,926.60

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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.