Home / 176,621.85-264,932.78-145,330.54

Finding the Fourth Proportional to 176,621.85, 264,932.78 and 145,330.54

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Solution

The fourth proportional to 176,621.85, 264,932.78 and 145,330.54 is: 217,995.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,621.85 : 264,932.78 = 145,330.54 : x
  2. Step 2: Convert to fraction form
    176,621.85/264,932.78 = 145,330.54/x
  3. Step 3: Cross multiply
    176,621.85x = 264,932.78 × 145,330.54
  4. Step 4: Simplify right side
    176,621.85x = 38,502,822,592.12
  5. Step 5: Solve for x
    x = 38,502,822,592.12/176,621.85
  6. Step 6: Final answer
    x = 217,995.81

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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.