Home / 176,579.93-264,864.02-76,740.21

Finding the Fourth Proportional to 176,579.93, 264,864.02 and 76,740.21

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Solution

The fourth proportional to 176,579.93, 264,864.02 and 76,740.21 is: 115,107.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,579.93 : 264,864.02 = 76,740.21 : x
  2. Step 2: Convert to fraction form
    176,579.93/264,864.02 = 76,740.21/x
  3. Step 3: Cross multiply
    176,579.93x = 264,864.02 × 76,740.21
  4. Step 4: Simplify right side
    176,579.93x = 20,325,720,132.54
  5. Step 5: Solve for x
    x = 20,325,720,132.54/176,579.93
  6. Step 6: Final answer
    x = 115,107.76

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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.