Home / 125,929.20-188,848.40-41,673.80

Finding the Fourth Proportional to 125,929.20, 188,848.40 and 41,673.80

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Solution

The fourth proportional to 125,929.20, 188,848.40 and 41,673.80 is: 62,495.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,929.20 : 188,848.40 = 41,673.80 : x
  2. Step 2: Convert to fraction form
    125,929.20/188,848.40 = 41,673.80/x
  3. Step 3: Cross multiply
    125,929.20x = 188,848.40 × 41,673.80
  4. Step 4: Simplify right side
    125,929.20x = 7,870,030,451.92
  5. Step 5: Solve for x
    x = 7,870,030,451.92/125,929.20
  6. Step 6: Final answer
    x = 62,495.68

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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.