Home / 118,316.04-162,998.64-82,440.96

Finding the Fourth Proportional to 118,316.04, 162,998.64 and 82,440.96

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Solution

The fourth proportional to 118,316.04, 162,998.64 and 82,440.96 is: 113,575.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,316.04 : 162,998.64 = 82,440.96 : x
  2. Step 2: Convert to fraction form
    118,316.04/162,998.64 = 82,440.96/x
  3. Step 3: Cross multiply
    118,316.04x = 162,998.64 × 82,440.96
  4. Step 4: Simplify right side
    118,316.04x = 13,437,764,360.29
  5. Step 5: Solve for x
    x = 13,437,764,360.29/118,316.04
  6. Step 6: Final answer
    x = 113,575.17

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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.