Home / 303,156.20-418,386.74-192,851.32

Finding the Fourth Proportional to 303,156.20, 418,386.74 and 192,851.32

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Solution

The fourth proportional to 303,156.20, 418,386.74 and 192,851.32 is: 266,154.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,156.20 : 418,386.74 = 192,851.32 : x
  2. Step 2: Convert to fraction form
    303,156.20/418,386.74 = 192,851.32/x
  3. Step 3: Cross multiply
    303,156.20x = 418,386.74 × 192,851.32
  4. Step 4: Simplify right side
    303,156.20x = 80,686,435,079.50
  5. Step 5: Solve for x
    x = 80,686,435,079.50/303,156.20
  6. Step 6: Final answer
    x = 266,154.66

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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.