Home / 125,168.04-187,763.61-40,928.64

Finding the Fourth Proportional to 125,168.04, 187,763.61 and 40,928.64

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Solution

The fourth proportional to 125,168.04, 187,763.61 and 40,928.64 is: 61,396.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,168.04 : 187,763.61 = 40,928.64 : x
  2. Step 2: Convert to fraction form
    125,168.04/187,763.61 = 40,928.64/x
  3. Step 3: Cross multiply
    125,168.04x = 187,763.61 × 40,928.64
  4. Step 4: Simplify right side
    125,168.04x = 7,684,909,198.79
  5. Step 5: Solve for x
    x = 7,684,909,198.79/125,168.04
  6. Step 6: Final answer
    x = 61,396.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.