Home / 292,982.21-439,441.53-93,286.89

Finding the Fourth Proportional to 292,982.21, 439,441.53 and 93,286.89

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Solution

The fourth proportional to 292,982.21, 439,441.53 and 93,286.89 is: 139,920.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,982.21 : 439,441.53 = 93,286.89 : x
  2. Step 2: Convert to fraction form
    292,982.21/439,441.53 = 93,286.89/x
  3. Step 3: Cross multiply
    292,982.21x = 439,441.53 × 93,286.89
  4. Step 4: Simplify right side
    292,982.21x = 40,994,133,670.54
  5. Step 5: Solve for x
    x = 40,994,133,670.54/292,982.21
  6. Step 6: Final answer
    x = 139,920.22

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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.