Home / 434,380.60-651,182.10-168,052.60

Finding the Fourth Proportional to 434,380.60, 651,182.10 and 168,052.60

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Solution

The fourth proportional to 434,380.60, 651,182.10 and 168,052.60 is: 251,928.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,380.60 : 651,182.10 = 168,052.60 : x
  2. Step 2: Convert to fraction form
    434,380.60/651,182.10 = 168,052.60/x
  3. Step 3: Cross multiply
    434,380.60x = 651,182.10 × 168,052.60
  4. Step 4: Simplify right side
    434,380.60x = 109,432,844,978.46
  5. Step 5: Solve for x
    x = 109,432,844,978.46/434,380.60
  6. Step 6: Final answer
    x = 251,928.48

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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.