Home / 193,025.60-289,538.40-146,369.60

Finding the Fourth Proportional to 193,025.60, 289,538.40 and 146,369.60

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Solution

The fourth proportional to 193,025.60, 289,538.40 and 146,369.60 is: 219,554.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,025.60 : 289,538.40 = 146,369.60 : x
  2. Step 2: Convert to fraction form
    193,025.60/289,538.40 = 146,369.60/x
  3. Step 3: Cross multiply
    193,025.60x = 289,538.40 × 146,369.60
  4. Step 4: Simplify right side
    193,025.60x = 42,379,619,792.64
  5. Step 5: Solve for x
    x = 42,379,619,792.64/193,025.60
  6. Step 6: Final answer
    x = 219,554.40

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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.