Home / 162,082.72-243,148.32-56,883.20

Finding the Fourth Proportional to 162,082.72, 243,148.32 and 56,883.20

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Solution

The fourth proportional to 162,082.72, 243,148.32 and 56,883.20 is: 85,333.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,082.72 : 243,148.32 = 56,883.20 : x
  2. Step 2: Convert to fraction form
    162,082.72/243,148.32 = 56,883.20/x
  3. Step 3: Cross multiply
    162,082.72x = 243,148.32 × 56,883.20
  4. Step 4: Simplify right side
    162,082.72x = 13,831,054,516.22
  5. Step 5: Solve for x
    x = 13,831,054,516.22/162,082.72
  6. Step 6: Final answer
    x = 85,333.31

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.