Home / 373,946.20-561,113.70-163,605.40

Finding the Fourth Proportional to 373,946.20, 561,113.70 and 163,605.40

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Solution

The fourth proportional to 373,946.20, 561,113.70 and 163,605.40 is: 245,493.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,946.20 : 561,113.70 = 163,605.40 : x
  2. Step 2: Convert to fraction form
    373,946.20/561,113.70 = 163,605.40/x
  3. Step 3: Cross multiply
    373,946.20x = 561,113.70 × 163,605.40
  4. Step 4: Simplify right side
    373,946.20x = 91,801,231,333.98
  5. Step 5: Solve for x
    x = 91,801,231,333.98/373,946.20
  6. Step 6: Final answer
    x = 245,493.15

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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.