Home / 281,766.21-388,877.24-174,370.83

Finding the Fourth Proportional to 281,766.21, 388,877.24 and 174,370.83

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Solution

The fourth proportional to 281,766.21, 388,877.24 and 174,370.83 is: 240,656.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,766.21 : 388,877.24 = 174,370.83 : x
  2. Step 2: Convert to fraction form
    281,766.21/388,877.24 = 174,370.83/x
  3. Step 3: Cross multiply
    281,766.21x = 388,877.24 × 174,370.83
  4. Step 4: Simplify right side
    281,766.21x = 67,808,847,106.91
  5. Step 5: Solve for x
    x = 67,808,847,106.91/281,766.21
  6. Step 6: Final answer
    x = 240,656.42

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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.