Home / 319,845.75-441,426.02-185,709.75

Finding the Fourth Proportional to 319,845.75, 441,426.02 and 185,709.75

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Solution

The fourth proportional to 319,845.75, 441,426.02 and 185,709.75 is: 256,302.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,845.75 : 441,426.02 = 185,709.75 : x
  2. Step 2: Convert to fraction form
    319,845.75/441,426.02 = 185,709.75/x
  3. Step 3: Cross multiply
    319,845.75x = 441,426.02 × 185,709.75
  4. Step 4: Simplify right side
    319,845.75x = 81,977,114,889.15
  5. Step 5: Solve for x
    x = 81,977,114,889.15/319,845.75
  6. Step 6: Final answer
    x = 256,302.03

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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.