Home / 289,016.37-433,456.49-162,711.45

Finding the Fourth Proportional to 289,016.37, 433,456.49 and 162,711.45

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Solution

The fourth proportional to 289,016.37, 433,456.49 and 162,711.45 is: 244,028.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,016.37 : 433,456.49 = 162,711.45 : x
  2. Step 2: Convert to fraction form
    289,016.37/433,456.49 = 162,711.45/x
  3. Step 3: Cross multiply
    289,016.37x = 433,456.49 × 162,711.45
  4. Step 4: Simplify right side
    289,016.37x = 70,528,333,186.25
  5. Step 5: Solve for x
    x = 70,528,333,186.25/289,016.37
  6. Step 6: Final answer
    x = 244,028.85

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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.