Home / 377,086.18-520,371.92-207,316.66

Finding the Fourth Proportional to 377,086.18, 520,371.92 and 207,316.66

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Solution

The fourth proportional to 377,086.18, 520,371.92 and 207,316.66 is: 286,093.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,086.18 : 520,371.92 = 207,316.66 : x
  2. Step 2: Convert to fraction form
    377,086.18/520,371.92 = 207,316.66/x
  3. Step 3: Cross multiply
    377,086.18x = 520,371.92 × 207,316.66
  4. Step 4: Simplify right side
    377,086.18x = 107,881,768,412.19
  5. Step 5: Solve for x
    x = 107,881,768,412.19/377,086.18
  6. Step 6: Final answer
    x = 286,093.14

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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.