Home / 319,131.55-440,278.09-183,116.35

Finding the Fourth Proportional to 319,131.55, 440,278.09 and 183,116.35

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Solution

The fourth proportional to 319,131.55, 440,278.09 and 183,116.35 is: 252,629.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,131.55 : 440,278.09 = 183,116.35 : x
  2. Step 2: Convert to fraction form
    319,131.55/440,278.09 = 183,116.35/x
  3. Step 3: Cross multiply
    319,131.55x = 440,278.09 × 183,116.35
  4. Step 4: Simplify right side
    319,131.55x = 80,622,116,825.77
  5. Step 5: Solve for x
    x = 80,622,116,825.77/319,131.55
  6. Step 6: Final answer
    x = 252,629.73

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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.