Home / 116,158.60-173,849.10-81,166.60

Finding the Fourth Proportional to 116,158.60, 173,849.10 and 81,166.60

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Solution

The fourth proportional to 116,158.60, 173,849.10 and 81,166.60 is: 121,478.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,158.60 : 173,849.10 = 81,166.60 : x
  2. Step 2: Convert to fraction form
    116,158.60/173,849.10 = 81,166.60/x
  3. Step 3: Cross multiply
    116,158.60x = 173,849.10 × 81,166.60
  4. Step 4: Simplify right side
    116,158.60x = 14,110,740,360.06
  5. Step 5: Solve for x
    x = 14,110,740,360.06/116,158.60
  6. Step 6: Final answer
    x = 121,478.22

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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.