Home / 124,103.04-171,185.40-108,225.60

Finding the Fourth Proportional to 124,103.04, 171,185.40 and 108,225.60

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Solution

The fourth proportional to 124,103.04, 171,185.40 and 108,225.60 is: 149,284.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,103.04 : 171,185.40 = 108,225.60 : x
  2. Step 2: Convert to fraction form
    124,103.04/171,185.40 = 108,225.60/x
  3. Step 3: Cross multiply
    124,103.04x = 171,185.40 × 108,225.60
  4. Step 4: Simplify right side
    124,103.04x = 18,526,642,626.24
  5. Step 5: Solve for x
    x = 18,526,642,626.24/124,103.04
  6. Step 6: Final answer
    x = 149,284.36

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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.