Home / 319,279.61-440,604.20-174,093.18

Finding the Fourth Proportional to 319,279.61, 440,604.20 and 174,093.18

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Solution

The fourth proportional to 319,279.61, 440,604.20 and 174,093.18 is: 240,247.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,279.61 : 440,604.20 = 174,093.18 : x
  2. Step 2: Convert to fraction form
    319,279.61/440,604.20 = 174,093.18/x
  3. Step 3: Cross multiply
    319,279.61x = 440,604.20 × 174,093.18
  4. Step 4: Simplify right side
    319,279.61x = 76,706,186,299.36
  5. Step 5: Solve for x
    x = 76,706,186,299.36/319,279.61
  6. Step 6: Final answer
    x = 240,247.69

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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.