Home / 319,621.26-441,086.33-176,390.34

Finding the Fourth Proportional to 319,621.26, 441,086.33 and 176,390.34

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Solution

The fourth proportional to 319,621.26, 441,086.33 and 176,390.34 is: 243,423.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,621.26 : 441,086.33 = 176,390.34 : x
  2. Step 2: Convert to fraction form
    319,621.26/441,086.33 = 176,390.34/x
  3. Step 3: Cross multiply
    319,621.26x = 441,086.33 × 176,390.34
  4. Step 4: Simplify right side
    319,621.26x = 77,803,366,836.10
  5. Step 5: Solve for x
    x = 77,803,366,836.10/319,621.26
  6. Step 6: Final answer
    x = 243,423.63

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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.