Home / 116,172.60-173,870.10-102,175.80

Finding the Fourth Proportional to 116,172.60, 173,870.10 and 102,175.80

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Solution

The fourth proportional to 116,172.60, 173,870.10 and 102,175.80 is: 152,921.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,172.60 : 173,870.10 = 102,175.80 : x
  2. Step 2: Convert to fraction form
    116,172.60/173,870.10 = 102,175.80/x
  3. Step 3: Cross multiply
    116,172.60x = 173,870.10 × 102,175.80
  4. Step 4: Simplify right side
    116,172.60x = 17,765,316,563.58
  5. Step 5: Solve for x
    x = 17,765,316,563.58/116,172.60
  6. Step 6: Final answer
    x = 152,921.74

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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.