Home / 319,820.75-441,391.52-185,684.75

Finding the Fourth Proportional to 319,820.75, 441,391.52 and 185,684.75

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Solution

The fourth proportional to 319,820.75, 441,391.52 and 185,684.75 is: 256,267.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,820.75 : 441,391.52 = 185,684.75 : x
  2. Step 2: Convert to fraction form
    319,820.75/441,391.52 = 185,684.75/x
  3. Step 3: Cross multiply
    319,820.75x = 441,391.52 × 185,684.75
  4. Step 4: Simplify right side
    319,820.75x = 81,959,674,043.32
  5. Step 5: Solve for x
    x = 81,959,674,043.32/319,820.75
  6. Step 6: Final answer
    x = 256,267.53

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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.