Home / 235,147.80-324,501.04-133,170.40

Finding the Fourth Proportional to 235,147.80, 324,501.04 and 133,170.40

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Solution

The fourth proportional to 235,147.80, 324,501.04 and 133,170.40 is: 183,773.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,147.80 : 324,501.04 = 133,170.40 : x
  2. Step 2: Convert to fraction form
    235,147.80/324,501.04 = 133,170.40/x
  3. Step 3: Cross multiply
    235,147.80x = 324,501.04 × 133,170.40
  4. Step 4: Simplify right side
    235,147.80x = 43,213,933,297.22
  5. Step 5: Solve for x
    x = 43,213,933,297.22/235,147.80
  6. Step 6: Final answer
    x = 183,773.50

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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.