Home / 162,783.45-244,011.15-74,100.60

Finding the Fourth Proportional to 162,783.45, 244,011.15 and 74,100.60

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Solution

The fourth proportional to 162,783.45, 244,011.15 and 74,100.60 is: 111,076.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,783.45 : 244,011.15 = 74,100.60 : x
  2. Step 2: Convert to fraction form
    162,783.45/244,011.15 = 74,100.60/x
  3. Step 3: Cross multiply
    162,783.45x = 244,011.15 × 74,100.60
  4. Step 4: Simplify right side
    162,783.45x = 18,081,372,621.69
  5. Step 5: Solve for x
    x = 18,081,372,621.69/162,783.45
  6. Step 6: Final answer
    x = 111,076.23

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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.