Home / 374,531.20-561,796.80-163,945.60

Finding the Fourth Proportional to 374,531.20, 561,796.80 and 163,945.60

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Solution

The fourth proportional to 374,531.20, 561,796.80 and 163,945.60 is: 245,918.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,531.20 : 561,796.80 = 163,945.60 : x
  2. Step 2: Convert to fraction form
    374,531.20/561,796.80 = 163,945.60/x
  3. Step 3: Cross multiply
    374,531.20x = 561,796.80 × 163,945.60
  4. Step 4: Simplify right side
    374,531.20x = 92,104,113,454.08
  5. Step 5: Solve for x
    x = 92,104,113,454.08/374,531.20
  6. Step 6: Final answer
    x = 245,918.40

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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.