Home / 176,669.40-264,906.90-76,812.60

Finding the Fourth Proportional to 176,669.40, 264,906.90 and 76,812.60

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Solution

The fourth proportional to 176,669.40, 264,906.90 and 76,812.60 is: 115,176.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,669.40 : 264,906.90 = 76,812.60 : x
  2. Step 2: Convert to fraction form
    176,669.40/264,906.90 = 76,812.60/x
  3. Step 3: Cross multiply
    176,669.40x = 264,906.90 × 76,812.60
  4. Step 4: Simplify right side
    176,669.40x = 20,348,187,746.94
  5. Step 5: Solve for x
    x = 20,348,187,746.94/176,669.40
  6. Step 6: Final answer
    x = 115,176.64

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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.