Home / 448,766.58-672,974.91-168,130.74

Finding the Fourth Proportional to 448,766.58, 672,974.91 and 168,130.74

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Solution

The fourth proportional to 448,766.58, 672,974.91 and 168,130.74 is: 252,130.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,766.58 : 672,974.91 = 168,130.74 : x
  2. Step 2: Convert to fraction form
    448,766.58/672,974.91 = 168,130.74/x
  3. Step 3: Cross multiply
    448,766.58x = 672,974.91 × 168,130.74
  4. Step 4: Simplify right side
    448,766.58x = 113,147,769,619.73
  5. Step 5: Solve for x
    x = 113,147,769,619.73/448,766.58
  6. Step 6: Final answer
    x = 252,130.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.