Home / 319,562.30-441,005.21-176,331.57

Finding the Fourth Proportional to 319,562.30, 441,005.21 and 176,331.57

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Solution

The fourth proportional to 319,562.30, 441,005.21 and 176,331.57 is: 243,342.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,562.30 : 441,005.21 = 176,331.57 : x
  2. Step 2: Convert to fraction form
    319,562.30/441,005.21 = 176,331.57/x
  3. Step 3: Cross multiply
    319,562.30x = 441,005.21 × 176,331.57
  4. Step 4: Simplify right side
    319,562.30x = 77,763,141,333.33
  5. Step 5: Solve for x
    x = 77,763,141,333.33/319,562.30
  6. Step 6: Final answer
    x = 243,342.66

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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.