Home / 374,435.20-561,652.80-163,849.60

Finding the Fourth Proportional to 374,435.20, 561,652.80 and 163,849.60

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Solution

The fourth proportional to 374,435.20, 561,652.80 and 163,849.60 is: 245,774.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,435.20 : 561,652.80 = 163,849.60 : x
  2. Step 2: Convert to fraction form
    374,435.20/561,652.80 = 163,849.60/x
  3. Step 3: Cross multiply
    374,435.20x = 561,652.80 × 163,849.60
  4. Step 4: Simplify right side
    374,435.20x = 92,026,586,618.88
  5. Step 5: Solve for x
    x = 92,026,586,618.88/374,435.20
  6. Step 6: Final answer
    x = 245,774.40

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1.5x scale

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.