Home / 125,450.27-173,265.14-82,621.18

Finding the Fourth Proportional to 125,450.27, 173,265.14 and 82,621.18

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Solution

The fourth proportional to 125,450.27, 173,265.14 and 82,621.18 is: 114,111.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,450.27 : 173,265.14 = 82,621.18 : x
  2. Step 2: Convert to fraction form
    125,450.27/173,265.14 = 82,621.18/x
  3. Step 3: Cross multiply
    125,450.27x = 173,265.14 × 82,621.18
  4. Step 4: Simplify right side
    125,450.27x = 14,315,370,742.80
  5. Step 5: Solve for x
    x = 14,315,370,742.80/125,450.27
  6. Step 6: Final answer
    x = 114,111.92

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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.