Home / 397,712.03-596,661.47-131,472.53

Finding the Fourth Proportional to 397,712.03, 596,661.47 and 131,472.53

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Solution

The fourth proportional to 397,712.03, 596,661.47 and 131,472.53 is: 197,239.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,712.03 : 596,661.47 = 131,472.53 : x
  2. Step 2: Convert to fraction form
    397,712.03/596,661.47 = 131,472.53/x
  3. Step 3: Cross multiply
    397,712.03x = 596,661.47 × 131,472.53
  4. Step 4: Simplify right side
    397,712.03x = 78,444,590,359.79
  5. Step 5: Solve for x
    x = 78,444,590,359.79/397,712.03
  6. Step 6: Final answer
    x = 197,239.67

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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.