Home / 455,516.16-683,310.08-123,087.36

Finding the Fourth Proportional to 455,516.16, 683,310.08 and 123,087.36

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Solution

The fourth proportional to 455,516.16, 683,310.08 and 123,087.36 is: 184,640.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,516.16 : 683,310.08 = 123,087.36 : x
  2. Step 2: Convert to fraction form
    455,516.16/683,310.08 = 123,087.36/x
  3. Step 3: Cross multiply
    455,516.16x = 683,310.08 × 123,087.36
  4. Step 4: Simplify right side
    455,516.16x = 84,106,833,808.59
  5. Step 5: Solve for x
    x = 84,106,833,808.59/455,516.16
  6. Step 6: Final answer
    x = 184,640.72

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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.