Home / 289,126.20-433,689.30-184,020.60

Finding the Fourth Proportional to 289,126.20, 433,689.30 and 184,020.60

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Solution

The fourth proportional to 289,126.20, 433,689.30 and 184,020.60 is: 276,030.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,126.20 : 433,689.30 = 184,020.60 : x
  2. Step 2: Convert to fraction form
    289,126.20/433,689.30 = 184,020.60/x
  3. Step 3: Cross multiply
    289,126.20x = 433,689.30 × 184,020.60
  4. Step 4: Simplify right side
    289,126.20x = 79,807,765,199.58
  5. Step 5: Solve for x
    x = 79,807,765,199.58/289,126.20
  6. Step 6: Final answer
    x = 276,030.90

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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.