Home / 319,621.38-441,063.66-174,423.48

Finding the Fourth Proportional to 319,621.38, 441,063.66 and 174,423.48

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Solution

The fourth proportional to 319,621.38, 441,063.66 and 174,423.48 is: 240,696.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,621.38 : 441,063.66 = 174,423.48 : x
  2. Step 2: Convert to fraction form
    319,621.38/441,063.66 = 174,423.48/x
  3. Step 3: Cross multiply
    319,621.38x = 441,063.66 × 174,423.48
  4. Step 4: Simplify right side
    319,621.38x = 76,931,858,478.74
  5. Step 5: Solve for x
    x = 76,931,858,478.74/319,621.38
  6. Step 6: Final answer
    x = 240,696.85

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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.