Home / 319,478.34-440,865.26-183,416.53

Finding the Fourth Proportional to 319,478.34, 440,865.26 and 183,416.53

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Solution

The fourth proportional to 319,478.34, 440,865.26 and 183,416.53 is: 253,106.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,478.34 : 440,865.26 = 183,416.53 : x
  2. Step 2: Convert to fraction form
    319,478.34/440,865.26 = 183,416.53/x
  3. Step 3: Cross multiply
    319,478.34x = 440,865.26 × 183,416.53
  4. Step 4: Simplify right side
    319,478.34x = 80,861,976,186.75
  5. Step 5: Solve for x
    x = 80,861,976,186.75/319,478.34
  6. Step 6: Final answer
    x = 253,106.29

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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.