Home / 376,922.28-520,153.02-207,156.36

Finding the Fourth Proportional to 376,922.28, 520,153.02 and 207,156.36

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Solution

The fourth proportional to 376,922.28, 520,153.02 and 207,156.36 is: 285,875.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,922.28 : 520,153.02 = 207,156.36 : x
  2. Step 2: Convert to fraction form
    376,922.28/520,153.02 = 207,156.36/x
  3. Step 3: Cross multiply
    376,922.28x = 520,153.02 × 207,156.36
  4. Step 4: Simplify right side
    376,922.28x = 107,753,006,266.21
  5. Step 5: Solve for x
    x = 107,753,006,266.21/376,922.28
  6. Step 6: Final answer
    x = 285,875.93

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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.