Home / 430,858.11-646,582.38-150,375.36

Finding the Fourth Proportional to 430,858.11, 646,582.38 and 150,375.36

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Solution

The fourth proportional to 430,858.11, 646,582.38 and 150,375.36 is: 225,666.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,858.11 : 646,582.38 = 150,375.36 : x
  2. Step 2: Convert to fraction form
    430,858.11/646,582.38 = 150,375.36/x
  3. Step 3: Cross multiply
    430,858.11x = 646,582.38 × 150,375.36
  4. Step 4: Simplify right side
    430,858.11x = 97,230,058,162.16
  5. Step 5: Solve for x
    x = 97,230,058,162.16/430,858.11
  6. Step 6: Final answer
    x = 225,666.07

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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.