Home / 357,627.21-493,528.89-196,485.60

Finding the Fourth Proportional to 357,627.21, 493,528.89 and 196,485.60

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Solution

The fourth proportional to 357,627.21, 493,528.89 and 196,485.60 is: 271,151.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,627.21 : 493,528.89 = 196,485.60 : x
  2. Step 2: Convert to fraction form
    357,627.21/493,528.89 = 196,485.60/x
  3. Step 3: Cross multiply
    357,627.21x = 493,528.89 × 196,485.60
  4. Step 4: Simplify right side
    357,627.21x = 96,971,320,068.98
  5. Step 5: Solve for x
    x = 96,971,320,068.98/357,627.21
  6. Step 6: Final answer
    x = 271,151.96

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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.