Home / 456,815.68-685,042.08-176,153.92

Finding the Fourth Proportional to 456,815.68, 685,042.08 and 176,153.92

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Solution

The fourth proportional to 456,815.68, 685,042.08 and 176,153.92 is: 264,160.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,815.68 : 685,042.08 = 176,153.92 : x
  2. Step 2: Convert to fraction form
    456,815.68/685,042.08 = 176,153.92/x
  3. Step 3: Cross multiply
    456,815.68x = 685,042.08 × 176,153.92
  4. Step 4: Simplify right side
    456,815.68x = 120,672,847,756.95
  5. Step 5: Solve for x
    x = 120,672,847,756.95/456,815.68
  6. Step 6: Final answer
    x = 264,160.91

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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.