Home / 289,861.40-434,597.70-132,008.60

Finding the Fourth Proportional to 289,861.40, 434,597.70 and 132,008.60

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Solution

The fourth proportional to 289,861.40, 434,597.70 and 132,008.60 is: 197,924.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,861.40 : 434,597.70 = 132,008.60 : x
  2. Step 2: Convert to fraction form
    289,861.40/434,597.70 = 132,008.60/x
  3. Step 3: Cross multiply
    289,861.40x = 434,597.70 × 132,008.60
  4. Step 4: Simplify right side
    289,861.40x = 57,370,633,940.22
  5. Step 5: Solve for x
    x = 57,370,633,940.22/289,861.40
  6. Step 6: Final answer
    x = 197,924.37

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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.