Home / 286,521.74-395,400.08-159,197.33

Finding the Fourth Proportional to 286,521.74, 395,400.08 and 159,197.33

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Solution

The fourth proportional to 286,521.74, 395,400.08 and 159,197.33 is: 219,692.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,521.74 : 395,400.08 = 159,197.33 : x
  2. Step 2: Convert to fraction form
    286,521.74/395,400.08 = 159,197.33/x
  3. Step 3: Cross multiply
    286,521.74x = 395,400.08 × 159,197.33
  4. Step 4: Simplify right side
    286,521.74x = 62,946,638,404.28
  5. Step 5: Solve for x
    x = 62,946,638,404.28/286,521.74
  6. Step 6: Final answer
    x = 219,692.36

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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.