Home / 125,690.32-173,448.21-69,101.26

Finding the Fourth Proportional to 125,690.32, 173,448.21 and 69,101.26

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Solution

The fourth proportional to 125,690.32, 173,448.21 and 69,101.26 is: 95,357.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,690.32 : 173,448.21 = 69,101.26 : x
  2. Step 2: Convert to fraction form
    125,690.32/173,448.21 = 69,101.26/x
  3. Step 3: Cross multiply
    125,690.32x = 173,448.21 × 69,101.26
  4. Step 4: Simplify right side
    125,690.32x = 11,985,489,855.74
  5. Step 5: Solve for x
    x = 11,985,489,855.74/125,690.32
  6. Step 6: Final answer
    x = 95,357.30

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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.