Home / 306,653.22-423,181.47-170,684.24

Finding the Fourth Proportional to 306,653.22, 423,181.47 and 170,684.24

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Solution

The fourth proportional to 306,653.22, 423,181.47 and 170,684.24 is: 235,544.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,653.22 : 423,181.47 = 170,684.24 : x
  2. Step 2: Convert to fraction form
    306,653.22/423,181.47 = 170,684.24/x
  3. Step 3: Cross multiply
    306,653.22x = 423,181.47 × 170,684.24
  4. Step 4: Simplify right side
    306,653.22x = 72,230,408,646.99
  5. Step 5: Solve for x
    x = 72,230,408,646.99/306,653.22
  6. Step 6: Final answer
    x = 235,544.27

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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.