Home / 190,819.60-286,229.40-48,664.60

Finding the Fourth Proportional to 190,819.60, 286,229.40 and 48,664.60

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Solution

The fourth proportional to 190,819.60, 286,229.40 and 48,664.60 is: 72,996.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,819.60 : 286,229.40 = 48,664.60 : x
  2. Step 2: Convert to fraction form
    190,819.60/286,229.40 = 48,664.60/x
  3. Step 3: Cross multiply
    190,819.60x = 286,229.40 × 48,664.60
  4. Step 4: Simplify right side
    190,819.60x = 13,929,239,259.24
  5. Step 5: Solve for x
    x = 13,929,239,259.24/190,819.60
  6. Step 6: Final answer
    x = 72,996.90

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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.