Home / 289,150.89-433,618.61-99,558.24

Finding the Fourth Proportional to 289,150.89, 433,618.61 and 99,558.24

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Solution

The fourth proportional to 289,150.89, 433,618.61 and 99,558.24 is: 149,300.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,150.89 : 433,618.61 = 99,558.24 : x
  2. Step 2: Convert to fraction form
    289,150.89/433,618.61 = 99,558.24/x
  3. Step 3: Cross multiply
    289,150.89x = 433,618.61 × 99,558.24
  4. Step 4: Simplify right side
    289,150.89x = 43,170,305,145.06
  5. Step 5: Solve for x
    x = 43,170,305,145.06/289,150.89
  6. Step 6: Final answer
    x = 149,300.27

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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.