Home / 385,040.22-577,348.92-118,726.80

Finding the Fourth Proportional to 385,040.22, 577,348.92 and 118,726.80

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Solution

The fourth proportional to 385,040.22, 577,348.92 and 118,726.80 is: 178,025.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,040.22 : 577,348.92 = 118,726.80 : x
  2. Step 2: Convert to fraction form
    385,040.22/577,348.92 = 118,726.80/x
  3. Step 3: Cross multiply
    385,040.22x = 577,348.92 × 118,726.80
  4. Step 4: Simplify right side
    385,040.22x = 68,546,789,755.06
  5. Step 5: Solve for x
    x = 68,546,789,755.06/385,040.22
  6. Step 6: Final answer
    x = 178,025.01

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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.