Home / 319,274.24-440,601.89-174,078.82

Finding the Fourth Proportional to 319,274.24, 440,601.89 and 174,078.82

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Solution

The fourth proportional to 319,274.24, 440,601.89 and 174,078.82 is: 240,230.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,274.24 : 440,601.89 = 174,078.82 : x
  2. Step 2: Convert to fraction form
    319,274.24/440,601.89 = 174,078.82/x
  3. Step 3: Cross multiply
    319,274.24x = 440,601.89 × 174,078.82
  4. Step 4: Simplify right side
    319,274.24x = 76,699,455,129.07
  5. Step 5: Solve for x
    x = 76,699,455,129.07/319,274.24
  6. Step 6: Final answer
    x = 240,230.64

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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.