Home / 373,966.20-561,143.70-163,625.40

Finding the Fourth Proportional to 373,966.20, 561,143.70 and 163,625.40

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Solution

The fourth proportional to 373,966.20, 561,143.70 and 163,625.40 is: 245,523.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,966.20 : 561,143.70 = 163,625.40 : x
  2. Step 2: Convert to fraction form
    373,966.20/561,143.70 = 163,625.40/x
  3. Step 3: Cross multiply
    373,966.20x = 561,143.70 × 163,625.40
  4. Step 4: Simplify right side
    373,966.20x = 91,817,362,369.98
  5. Step 5: Solve for x
    x = 91,817,362,369.98/373,966.20
  6. Step 6: Final answer
    x = 245,523.16

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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.