Home / 289,033.20-433,541.70-131,261.40

Finding the Fourth Proportional to 289,033.20, 433,541.70 and 131,261.40

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Solution

The fourth proportional to 289,033.20, 433,541.70 and 131,261.40 is: 196,888.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,033.20 : 433,541.70 = 131,261.40 : x
  2. Step 2: Convert to fraction form
    289,033.20/433,541.70 = 131,261.40/x
  3. Step 3: Cross multiply
    289,033.20x = 433,541.70 × 131,261.40
  4. Step 4: Simplify right side
    289,033.20x = 56,907,290,500.38
  5. Step 5: Solve for x
    x = 56,907,290,500.38/289,033.20
  6. Step 6: Final answer
    x = 196,888.42

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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.