Home / 163,609.56-225,688.98-98,181.45

Finding the Fourth Proportional to 163,609.56, 225,688.98 and 98,181.45

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Solution

The fourth proportional to 163,609.56, 225,688.98 and 98,181.45 is: 135,435.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,609.56 : 225,688.98 = 98,181.45 : x
  2. Step 2: Convert to fraction form
    163,609.56/225,688.98 = 98,181.45/x
  3. Step 3: Cross multiply
    163,609.56x = 225,688.98 × 98,181.45
  4. Step 4: Simplify right side
    163,609.56x = 22,158,471,305.42
  5. Step 5: Solve for x
    x = 22,158,471,305.42/163,609.56
  6. Step 6: Final answer
    x = 135,435.06

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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.