Home / 455,933.61-683,900.91-118,974.02

Finding the Fourth Proportional to 455,933.61, 683,900.91 and 118,974.02

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Solution

The fourth proportional to 455,933.61, 683,900.91 and 118,974.02 is: 178,461.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,933.61 : 683,900.91 = 118,974.02 : x
  2. Step 2: Convert to fraction form
    455,933.61/683,900.91 = 118,974.02/x
  3. Step 3: Cross multiply
    455,933.61x = 683,900.91 × 118,974.02
  4. Step 4: Simplify right side
    455,933.61x = 81,366,437,124.85
  5. Step 5: Solve for x
    x = 81,366,437,124.85/455,933.61
  6. Step 6: Final answer
    x = 178,461.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.