Home / 289,025.85-433,500.50-131,218.01

Finding the Fourth Proportional to 289,025.85, 433,500.50 and 131,218.01

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Solution

The fourth proportional to 289,025.85, 433,500.50 and 131,218.01 is: 196,809.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,025.85 : 433,500.50 = 131,218.01 : x
  2. Step 2: Convert to fraction form
    289,025.85/433,500.50 = 131,218.01/x
  3. Step 3: Cross multiply
    289,025.85x = 433,500.50 × 131,218.01
  4. Step 4: Simplify right side
    289,025.85x = 56,883,072,944.01
  5. Step 5: Solve for x
    x = 56,883,072,944.01/289,025.85
  6. Step 6: Final answer
    x = 196,809.64

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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.