Home / 162,445.10-243,631.20-106,676.60

Finding the Fourth Proportional to 162,445.10, 243,631.20 and 106,676.60

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Solution

The fourth proportional to 162,445.10, 243,631.20 and 106,676.60 is: 159,990.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,445.10 : 243,631.20 = 106,676.60 : x
  2. Step 2: Convert to fraction form
    162,445.10/243,631.20 = 106,676.60/x
  3. Step 3: Cross multiply
    162,445.10x = 243,631.20 × 106,676.60
  4. Step 4: Simplify right side
    162,445.10x = 25,989,748,069.92
  5. Step 5: Solve for x
    x = 25,989,748,069.92/162,445.10
  6. Step 6: Final answer
    x = 159,990.96

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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.