Home / 319,112.54-440,367.72-173,922.91

Finding the Fourth Proportional to 319,112.54, 440,367.72 and 173,922.91

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Solution

The fourth proportional to 319,112.54, 440,367.72 and 173,922.91 is: 240,009.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,112.54 : 440,367.72 = 173,922.91 : x
  2. Step 2: Convert to fraction form
    319,112.54/440,367.72 = 173,922.91/x
  3. Step 3: Cross multiply
    319,112.54x = 440,367.72 × 173,922.91
  4. Step 4: Simplify right side
    319,112.54x = 76,590,032,261.01
  5. Step 5: Solve for x
    x = 76,590,032,261.01/319,112.54
  6. Step 6: Final answer
    x = 240,009.48

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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.