Home / 125,515.64-173,065.22-93,629.18

Finding the Fourth Proportional to 125,515.64, 173,065.22 and 93,629.18

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Solution

The fourth proportional to 125,515.64, 173,065.22 and 93,629.18 is: 129,099.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,515.64 : 173,065.22 = 93,629.18 : x
  2. Step 2: Convert to fraction form
    125,515.64/173,065.22 = 93,629.18/x
  3. Step 3: Cross multiply
    125,515.64x = 173,065.22 × 93,629.18
  4. Step 4: Simplify right side
    125,515.64x = 16,203,954,635.12
  5. Step 5: Solve for x
    x = 16,203,954,635.12/125,515.64
  6. Step 6: Final answer
    x = 129,099.09

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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.