Home / 377,191.90-520,521.96-205,109.93

Finding the Fourth Proportional to 377,191.90, 520,521.96 and 205,109.93

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Solution

The fourth proportional to 377,191.90, 520,521.96 and 205,109.93 is: 283,050.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,191.90 : 520,521.96 = 205,109.93 : x
  2. Step 2: Convert to fraction form
    377,191.90/520,521.96 = 205,109.93/x
  3. Step 3: Cross multiply
    377,191.90x = 520,521.96 × 205,109.93
  4. Step 4: Simplify right side
    377,191.90x = 106,764,222,779.06
  5. Step 5: Solve for x
    x = 106,764,222,779.06/377,191.90
  6. Step 6: Final answer
    x = 283,050.15

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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.