Home / 108,289.00-162,116.75-63,172.40

Finding the Fourth Proportional to 108,289.00, 162,116.75 and 63,172.40

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Solution

The fourth proportional to 108,289.00, 162,116.75 and 63,172.40 is: 94,573.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,289.00 : 162,116.75 = 63,172.40 : x
  2. Step 2: Convert to fraction form
    108,289.00/162,116.75 = 63,172.40/x
  3. Step 3: Cross multiply
    108,289.00x = 162,116.75 × 63,172.40
  4. Step 4: Simplify right side
    108,289.00x = 10,241,304,740.92
  5. Step 5: Solve for x
    x = 10,241,304,740.92/108,289.00
  6. Step 6: Final answer
    x = 94,573.83

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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.