Home / 624,742.20-937,104.96-151,431.60

Finding the Fourth Proportional to 624,742.20, 937,104.96 and 151,431.60

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Solution

The fourth proportional to 624,742.20, 937,104.96 and 151,431.60 is: 227,145.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,742.20 : 937,104.96 = 151,431.60 : x
  2. Step 2: Convert to fraction form
    624,742.20/937,104.96 = 151,431.60/x
  3. Step 3: Cross multiply
    624,742.20x = 937,104.96 × 151,431.60
  4. Step 4: Simplify right side
    624,742.20x = 141,907,303,460.74
  5. Step 5: Solve for x
    x = 141,907,303,460.74/624,742.20
  6. Step 6: Final answer
    x = 227,145.38

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1.5x scale

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.