Home / 286,694.10-395,603.46-157,611.30

Finding the Fourth Proportional to 286,694.10, 395,603.46 and 157,611.30

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Solution

The fourth proportional to 286,694.10, 395,603.46 and 157,611.30 is: 217,484.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,694.10 : 395,603.46 = 157,611.30 : x
  2. Step 2: Convert to fraction form
    286,694.10/395,603.46 = 157,611.30/x
  3. Step 3: Cross multiply
    286,694.10x = 395,603.46 × 157,611.30
  4. Step 4: Simplify right side
    286,694.10x = 62,351,575,615.10
  5. Step 5: Solve for x
    x = 62,351,575,615.10/286,694.10
  6. Step 6: Final answer
    x = 217,484.68

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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.