Home / 125,783.40-173,589.54-69,198.42

Finding the Fourth Proportional to 125,783.40, 173,589.54 and 69,198.42

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Solution

The fourth proportional to 125,783.40, 173,589.54 and 69,198.42 is: 95,498.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,783.40 : 173,589.54 = 69,198.42 : x
  2. Step 2: Convert to fraction form
    125,783.40/173,589.54 = 69,198.42/x
  3. Step 3: Cross multiply
    125,783.40x = 173,589.54 × 69,198.42
  4. Step 4: Simplify right side
    125,783.40x = 12,012,121,896.53
  5. Step 5: Solve for x
    x = 12,012,121,896.53/125,783.40
  6. Step 6: Final answer
    x = 95,498.47

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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.