Home / 150,840.72-225,916.65-72,010.35

Finding the Fourth Proportional to 150,840.72, 225,916.65 and 72,010.35

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Solution

The fourth proportional to 150,840.72, 225,916.65 and 72,010.35 is: 107,851.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,840.72 : 225,916.65 = 72,010.35 : x
  2. Step 2: Convert to fraction form
    150,840.72/225,916.65 = 72,010.35/x
  3. Step 3: Cross multiply
    150,840.72x = 225,916.65 × 72,010.35
  4. Step 4: Simplify right side
    150,840.72x = 16,268,337,037.33
  5. Step 5: Solve for x
    x = 16,268,337,037.33/150,840.72
  6. Step 6: Final answer
    x = 107,851.10

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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.