Home / 286,176.83-394,698.67-253,506.19

Finding the Fourth Proportional to 286,176.83, 394,698.67 and 253,506.19

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Solution

The fourth proportional to 286,176.83, 394,698.67 and 253,506.19 is: 349,638.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,176.83 : 394,698.67 = 253,506.19 : x
  2. Step 2: Convert to fraction form
    286,176.83/394,698.67 = 253,506.19/x
  3. Step 3: Cross multiply
    286,176.83x = 394,698.67 × 253,506.19
  4. Step 4: Simplify right side
    286,176.83x = 100,058,556,029.77
  5. Step 5: Solve for x
    x = 100,058,556,029.77/286,176.83
  6. Step 6: Final answer
    x = 349,638.91

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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.