Home / 235,421.04-324,874.20-133,455.90

Finding the Fourth Proportional to 235,421.04, 324,874.20 and 133,455.90

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Solution

The fourth proportional to 235,421.04, 324,874.20 and 133,455.90 is: 184,165.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,421.04 : 324,874.20 = 133,455.90 : x
  2. Step 2: Convert to fraction form
    235,421.04/324,874.20 = 133,455.90/x
  3. Step 3: Cross multiply
    235,421.04x = 324,874.20 × 133,455.90
  4. Step 4: Simplify right side
    235,421.04x = 43,356,378,747.78
  5. Step 5: Solve for x
    x = 43,356,378,747.78/235,421.04
  6. Step 6: Final answer
    x = 184,165.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.