Home / 430,006.43-645,087.50-177,146.41

Finding the Fourth Proportional to 430,006.43, 645,087.50 and 177,146.41

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Solution

The fourth proportional to 430,006.43, 645,087.50 and 177,146.41 is: 265,751.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,006.43 : 645,087.50 = 177,146.41 : x
  2. Step 2: Convert to fraction form
    430,006.43/645,087.50 = 177,146.41/x
  3. Step 3: Cross multiply
    430,006.43x = 645,087.50 × 177,146.41
  4. Step 4: Simplify right side
    430,006.43x = 114,274,933,591.02
  5. Step 5: Solve for x
    x = 114,274,933,591.02/430,006.43
  6. Step 6: Final answer
    x = 265,751.68

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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.