Home / 377,231.40-520,583.00-205,153.07

Finding the Fourth Proportional to 377,231.40, 520,583.00 and 205,153.07

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Solution

The fourth proportional to 377,231.40, 520,583.00 and 205,153.07 is: 283,113.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,231.40 : 520,583.00 = 205,153.07 : x
  2. Step 2: Convert to fraction form
    377,231.40/520,583.00 = 205,153.07/x
  3. Step 3: Cross multiply
    377,231.40x = 520,583.00 × 205,153.07
  4. Step 4: Simplify right side
    377,231.40x = 106,799,197,011.13
  5. Step 5: Solve for x
    x = 106,799,197,011.13/377,231.40
  6. Step 6: Final answer
    x = 283,113.22

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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.