Home / 150,731.14-225,750.08-84,023.60

Finding the Fourth Proportional to 150,731.14, 225,750.08 and 84,023.60

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Solution

The fourth proportional to 150,731.14, 225,750.08 and 84,023.60 is: 125,842.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,731.14 : 225,750.08 = 84,023.60 : x
  2. Step 2: Convert to fraction form
    150,731.14/225,750.08 = 84,023.60/x
  3. Step 3: Cross multiply
    150,731.14x = 225,750.08 × 84,023.60
  4. Step 4: Simplify right side
    150,731.14x = 18,968,334,421.89
  5. Step 5: Solve for x
    x = 18,968,334,421.89/150,731.14
  6. Step 6: Final answer
    x = 125,842.17

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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.