Home / 289,152.20-433,620.56-99,559.55

Finding the Fourth Proportional to 289,152.20, 433,620.56 and 99,559.55

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Solution

The fourth proportional to 289,152.20, 433,620.56 and 99,559.55 is: 149,302.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,152.20 : 433,620.56 = 99,559.55 : x
  2. Step 2: Convert to fraction form
    289,152.20/433,620.56 = 99,559.55/x
  3. Step 3: Cross multiply
    289,152.20x = 433,620.56 × 99,559.55
  4. Step 4: Simplify right side
    289,152.20x = 43,171,069,157.30
  5. Step 5: Solve for x
    x = 43,171,069,157.30/289,152.20
  6. Step 6: Final answer
    x = 149,302.23

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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.