Home / 319,064.19-440,302.91-173,871.24

Finding the Fourth Proportional to 319,064.19, 440,302.91 and 173,871.24

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Solution

The fourth proportional to 319,064.19, 440,302.91 and 173,871.24 is: 239,939.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,064.19 : 440,302.91 = 173,871.24 : x
  2. Step 2: Convert to fraction form
    319,064.19/440,302.91 = 173,871.24/x
  3. Step 3: Cross multiply
    319,064.19x = 440,302.91 × 173,871.24
  4. Step 4: Simplify right side
    319,064.19x = 76,556,012,067.95
  5. Step 5: Solve for x
    x = 76,556,012,067.95/319,064.19
  6. Step 6: Final answer
    x = 239,939.22

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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.