Home / 347,678.10-521,406.54-179,177.04

Finding the Fourth Proportional to 347,678.10, 521,406.54 and 179,177.04

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Solution

The fourth proportional to 347,678.10, 521,406.54 and 179,177.04 is: 268,708.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,678.10 : 521,406.54 = 179,177.04 : x
  2. Step 2: Convert to fraction form
    347,678.10/521,406.54 = 179,177.04/x
  3. Step 3: Cross multiply
    347,678.10x = 521,406.54 × 179,177.04
  4. Step 4: Simplify right side
    347,678.10x = 93,424,080,473.84
  5. Step 5: Solve for x
    x = 93,424,080,473.84/347,678.10
  6. Step 6: Final answer
    x = 268,708.56

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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.