Home / 289,579.08-433,990.32-161,490.25

Finding the Fourth Proportional to 289,579.08, 433,990.32 and 161,490.25

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Solution

The fourth proportional to 289,579.08, 433,990.32 and 161,490.25 is: 242,024.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,579.08 : 433,990.32 = 161,490.25 : x
  2. Step 2: Convert to fraction form
    289,579.08/433,990.32 = 161,490.25/x
  3. Step 3: Cross multiply
    289,579.08x = 433,990.32 × 161,490.25
  4. Step 4: Simplify right side
    289,579.08x = 70,085,204,466.93
  5. Step 5: Solve for x
    x = 70,085,204,466.93/289,579.08
  6. Step 6: Final answer
    x = 242,024.41

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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.