Home / 151,697.40-227,431.88-91,713.45

Finding the Fourth Proportional to 151,697.40, 227,431.88 and 91,713.45

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Solution

The fourth proportional to 151,697.40, 227,431.88 and 91,713.45 is: 137,501.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,697.40 : 227,431.88 = 91,713.45 : x
  2. Step 2: Convert to fraction form
    151,697.40/227,431.88 = 91,713.45/x
  3. Step 3: Cross multiply
    151,697.40x = 227,431.88 × 91,713.45
  4. Step 4: Simplify right side
    151,697.40x = 20,858,562,354.79
  5. Step 5: Solve for x
    x = 20,858,562,354.79/151,697.40
  6. Step 6: Final answer
    x = 137,501.12

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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.