Home / 185,981.09-278,813.98-73,740.60

Finding the Fourth Proportional to 185,981.09, 278,813.98 and 73,740.60

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Solution

The fourth proportional to 185,981.09, 278,813.98 and 73,740.60 is: 110,548.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,981.09 : 278,813.98 = 73,740.60 : x
  2. Step 2: Convert to fraction form
    185,981.09/278,813.98 = 73,740.60/x
  3. Step 3: Cross multiply
    185,981.09x = 278,813.98 × 73,740.60
  4. Step 4: Simplify right side
    185,981.09x = 20,559,910,265.76
  5. Step 5: Solve for x
    x = 20,559,910,265.76/185,981.09
  6. Step 6: Final answer
    x = 110,548.39

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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.