Home / 319,839.96-441,379.80-176,600.28

Finding the Fourth Proportional to 319,839.96, 441,379.80 and 176,600.28

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Solution

The fourth proportional to 319,839.96, 441,379.80 and 176,600.28 is: 243,708.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,839.96 : 441,379.80 = 176,600.28 : x
  2. Step 2: Convert to fraction form
    319,839.96/441,379.80 = 176,600.28/x
  3. Step 3: Cross multiply
    319,839.96x = 441,379.80 × 176,600.28
  4. Step 4: Simplify right side
    319,839.96x = 77,947,796,266.34
  5. Step 5: Solve for x
    x = 77,947,796,266.34/319,839.96
  6. Step 6: Final answer
    x = 243,708.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.