Home / 162,429.10-243,607.20-106,660.60

Finding the Fourth Proportional to 162,429.10, 243,607.20 and 106,660.60

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Solution

The fourth proportional to 162,429.10, 243,607.20 and 106,660.60 is: 159,966.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,429.10 : 243,607.20 = 106,660.60 : x
  2. Step 2: Convert to fraction form
    162,429.10/243,607.20 = 106,660.60/x
  3. Step 3: Cross multiply
    162,429.10x = 243,607.20 × 106,660.60
  4. Step 4: Simplify right side
    162,429.10x = 25,983,290,116.32
  5. Step 5: Solve for x
    x = 25,983,290,116.32/162,429.10
  6. Step 6: Final answer
    x = 159,966.96

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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.