Home / 430,594.84-645,914.94-131,052.52

Finding the Fourth Proportional to 430,594.84, 645,914.94 and 131,052.52

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Solution

The fourth proportional to 430,594.84, 645,914.94 and 131,052.52 is: 196,585.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,594.84 : 645,914.94 = 131,052.52 : x
  2. Step 2: Convert to fraction form
    430,594.84/645,914.94 = 131,052.52/x
  3. Step 3: Cross multiply
    430,594.84x = 645,914.94 × 131,052.52
  4. Step 4: Simplify right side
    430,594.84x = 84,648,780,592.65
  5. Step 5: Solve for x
    x = 84,648,780,592.65/430,594.84
  6. Step 6: Final answer
    x = 196,585.68

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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.