Home / 377,232.81-520,583.40-205,152.78

Finding the Fourth Proportional to 377,232.81, 520,583.40 and 205,152.78

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Solution

The fourth proportional to 377,232.81, 520,583.40 and 205,152.78 is: 283,111.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,232.81 : 520,583.40 = 205,152.78 : x
  2. Step 2: Convert to fraction form
    377,232.81/520,583.40 = 205,152.78/x
  3. Step 3: Cross multiply
    377,232.81x = 520,583.40 × 205,152.78
  4. Step 4: Simplify right side
    377,232.81x = 106,799,131,731.85
  5. Step 5: Solve for x
    x = 106,799,131,731.85/377,232.81
  6. Step 6: Final answer
    x = 283,111.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.