Home / 163,816.20-245,724.30-58,638.60

Finding the Fourth Proportional to 163,816.20, 245,724.30 and 58,638.60

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Solution

The fourth proportional to 163,816.20, 245,724.30 and 58,638.60 is: 87,957.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,816.20 : 245,724.30 = 58,638.60 : x
  2. Step 2: Convert to fraction form
    163,816.20/245,724.30 = 58,638.60/x
  3. Step 3: Cross multiply
    163,816.20x = 245,724.30 × 58,638.60
  4. Step 4: Simplify right side
    163,816.20x = 14,408,928,937.98
  5. Step 5: Solve for x
    x = 14,408,928,937.98/163,816.20
  6. Step 6: Final answer
    x = 87,957.90

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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.