Home / 430,855.12-646,577.88-150,372.37

Finding the Fourth Proportional to 430,855.12, 646,577.88 and 150,372.37

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Solution

The fourth proportional to 430,855.12, 646,577.88 and 150,372.37 is: 225,661.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,855.12 : 646,577.88 = 150,372.37 : x
  2. Step 2: Convert to fraction form
    430,855.12/646,577.88 = 150,372.37/x
  3. Step 3: Cross multiply
    430,855.12x = 646,577.88 × 150,372.37
  4. Step 4: Simplify right side
    430,855.12x = 97,227,448,205.18
  5. Step 5: Solve for x
    x = 97,227,448,205.18/430,855.12
  6. Step 6: Final answer
    x = 225,661.58

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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.