Home / 411,374.10-617,106.51-130,825.74

Finding the Fourth Proportional to 411,374.10, 617,106.51 and 130,825.74

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Solution

The fourth proportional to 411,374.10, 617,106.51 and 130,825.74 is: 196,253.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,374.10 : 617,106.51 = 130,825.74 : x
  2. Step 2: Convert to fraction form
    411,374.10/617,106.51 = 130,825.74/x
  3. Step 3: Cross multiply
    411,374.10x = 617,106.51 × 130,825.74
  4. Step 4: Simplify right side
    411,374.10x = 80,733,415,829.57
  5. Step 5: Solve for x
    x = 80,733,415,829.57/411,374.10
  6. Step 6: Final answer
    x = 196,253.04

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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.