Home / 201,923.60-302,861.10-83,582.60

Finding the Fourth Proportional to 201,923.60, 302,861.10 and 83,582.60

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Solution

The fourth proportional to 201,923.60, 302,861.10 and 83,582.60 is: 125,363.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,923.60 : 302,861.10 = 83,582.60 : x
  2. Step 2: Convert to fraction form
    201,923.60/302,861.10 = 83,582.60/x
  3. Step 3: Cross multiply
    201,923.60x = 302,861.10 × 83,582.60
  4. Step 4: Simplify right side
    201,923.60x = 25,313,918,176.86
  5. Step 5: Solve for x
    x = 25,313,918,176.86/201,923.60
  6. Step 6: Final answer
    x = 125,363.84

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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.