Home / 289,018.20-433,519.20-131,246.40

Finding the Fourth Proportional to 289,018.20, 433,519.20 and 131,246.40

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Solution

The fourth proportional to 289,018.20, 433,519.20 and 131,246.40 is: 196,865.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,018.20 : 433,519.20 = 131,246.40 : x
  2. Step 2: Convert to fraction form
    289,018.20/433,519.20 = 131,246.40/x
  3. Step 3: Cross multiply
    289,018.20x = 433,519.20 × 131,246.40
  4. Step 4: Simplify right side
    289,018.20x = 56,897,834,330.88
  5. Step 5: Solve for x
    x = 56,897,834,330.88/289,018.20
  6. Step 6: Final answer
    x = 196,865.92

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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.