Home / 470,247.38-705,371.08-154,619.54

Finding the Fourth Proportional to 470,247.38, 705,371.08 and 154,619.54

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Solution

The fourth proportional to 470,247.38, 705,371.08 and 154,619.54 is: 231,929.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,247.38 : 705,371.08 = 154,619.54 : x
  2. Step 2: Convert to fraction form
    470,247.38/705,371.08 = 154,619.54/x
  3. Step 3: Cross multiply
    470,247.38x = 705,371.08 × 154,619.54
  4. Step 4: Simplify right side
    470,247.38x = 109,064,151,918.90
  5. Step 5: Solve for x
    x = 109,064,151,918.90/470,247.38
  6. Step 6: Final answer
    x = 231,929.31

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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.