Home / 377,268.03-520,633.26-205,187.58

Finding the Fourth Proportional to 377,268.03, 520,633.26 and 205,187.58

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Solution

The fourth proportional to 377,268.03, 520,633.26 and 205,187.58 is: 283,160.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,268.03 : 520,633.26 = 205,187.58 : x
  2. Step 2: Convert to fraction form
    377,268.03/520,633.26 = 205,187.58/x
  3. Step 3: Cross multiply
    377,268.03x = 520,633.26 × 205,187.58
  4. Step 4: Simplify right side
    377,268.03x = 106,827,478,686.91
  5. Step 5: Solve for x
    x = 106,827,478,686.91/377,268.03
  6. Step 6: Final answer
    x = 283,160.70

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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.