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Finding the Fourth Proportional to 189,166.60, 283,404.30 and 153,915.40

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Solution

The fourth proportional to 189,166.60, 283,404.30 and 153,915.40 is: 230,591.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,166.60 : 283,404.30 = 153,915.40 : x
  2. Step 2: Convert to fraction form
    189,166.60/283,404.30 = 153,915.40/x
  3. Step 3: Cross multiply
    189,166.60x = 283,404.30 × 153,915.40
  4. Step 4: Simplify right side
    189,166.60x = 43,620,286,196.22
  5. Step 5: Solve for x
    x = 43,620,286,196.22/189,166.60
  6. Step 6: Final answer
    x = 230,591.90

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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.