Home / 113,475.18-156,574.11-73,181.10

Finding the Fourth Proportional to 113,475.18, 156,574.11 and 73,181.10

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Solution

The fourth proportional to 113,475.18, 156,574.11 and 73,181.10 is: 100,975.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,475.18 : 156,574.11 = 73,181.10 : x
  2. Step 2: Convert to fraction form
    113,475.18/156,574.11 = 73,181.10/x
  3. Step 3: Cross multiply
    113,475.18x = 156,574.11 × 73,181.10
  4. Step 4: Simplify right side
    113,475.18x = 11,458,265,601.32
  5. Step 5: Solve for x
    x = 11,458,265,601.32/113,475.18
  6. Step 6: Final answer
    x = 100,975.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.