Home / 447,630.40-671,423.73-167,125.78

Finding the Fourth Proportional to 447,630.40, 671,423.73 and 167,125.78

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Solution

The fourth proportional to 447,630.40, 671,423.73 and 167,125.78 is: 250,680.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,630.40 : 671,423.73 = 167,125.78 : x
  2. Step 2: Convert to fraction form
    447,630.40/671,423.73 = 167,125.78/x
  3. Step 3: Cross multiply
    447,630.40x = 671,423.73 × 167,125.78
  4. Step 4: Simplify right side
    447,630.40x = 112,212,215,739.40
  5. Step 5: Solve for x
    x = 112,212,215,739.40/447,630.40
  6. Step 6: Final answer
    x = 250,680.51

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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.