Home / 168,355.40-252,533.10-131,030.60

Finding the Fourth Proportional to 168,355.40, 252,533.10 and 131,030.60

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Solution

The fourth proportional to 168,355.40, 252,533.10 and 131,030.60 is: 196,545.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,355.40 : 252,533.10 = 131,030.60 : x
  2. Step 2: Convert to fraction form
    168,355.40/252,533.10 = 131,030.60/x
  3. Step 3: Cross multiply
    168,355.40x = 252,533.10 × 131,030.60
  4. Step 4: Simplify right side
    168,355.40x = 33,089,563,612.86
  5. Step 5: Solve for x
    x = 33,089,563,612.86/168,355.40
  6. Step 6: Final answer
    x = 196,545.90

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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.