Home / 289,040.30-433,538.85-120,517.10

Finding the Fourth Proportional to 289,040.30, 433,538.85 and 120,517.10

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Solution

The fourth proportional to 289,040.30, 433,538.85 and 120,517.10 is: 180,766.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,040.30 : 433,538.85 = 120,517.10 : x
  2. Step 2: Convert to fraction form
    289,040.30/433,538.85 = 120,517.10/x
  3. Step 3: Cross multiply
    289,040.30x = 433,538.85 × 120,517.10
  4. Step 4: Simplify right side
    289,040.30x = 52,248,844,939.34
  5. Step 5: Solve for x
    x = 52,248,844,939.34/289,040.30
  6. Step 6: Final answer
    x = 180,766.64

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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.