Home / 384,943.20-577,107.60-163,144.80

Finding the Fourth Proportional to 384,943.20, 577,107.60 and 163,144.80

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Solution

The fourth proportional to 384,943.20, 577,107.60 and 163,144.80 is: 244,587.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,943.20 : 577,107.60 = 163,144.80 : x
  2. Step 2: Convert to fraction form
    384,943.20/577,107.60 = 163,144.80/x
  3. Step 3: Cross multiply
    384,943.20x = 577,107.60 × 163,144.80
  4. Step 4: Simplify right side
    384,943.20x = 94,152,103,980.48
  5. Step 5: Solve for x
    x = 94,152,103,980.48/384,943.20
  6. Step 6: Final answer
    x = 244,587.00

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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.