Home / 319,085.44-440,339.64-183,108.56

Finding the Fourth Proportional to 319,085.44, 440,339.64 and 183,108.56

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Solution

The fourth proportional to 319,085.44, 440,339.64 and 183,108.56 is: 252,690.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,085.44 : 440,339.64 = 183,108.56 : x
  2. Step 2: Convert to fraction form
    319,085.44/440,339.64 = 183,108.56/x
  3. Step 3: Cross multiply
    319,085.44x = 440,339.64 × 183,108.56
  4. Step 4: Simplify right side
    319,085.44x = 80,629,957,391.32
  5. Step 5: Solve for x
    x = 80,629,957,391.32/319,085.44
  6. Step 6: Final answer
    x = 252,690.81

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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.