Home / 125,416.04-188,129.84-31,922.60

Finding the Fourth Proportional to 125,416.04, 188,129.84 and 31,922.60

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Solution

The fourth proportional to 125,416.04, 188,129.84 and 31,922.60 is: 47,885.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,416.04 : 188,129.84 = 31,922.60 : x
  2. Step 2: Convert to fraction form
    125,416.04/188,129.84 = 31,922.60/x
  3. Step 3: Cross multiply
    125,416.04x = 188,129.84 × 31,922.60
  4. Step 4: Simplify right side
    125,416.04x = 6,005,593,630.38
  5. Step 5: Solve for x
    x = 6,005,593,630.38/125,416.04
  6. Step 6: Final answer
    x = 47,885.37

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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.