Home / 319,515.14-440,927.88-176,276.36

Finding the Fourth Proportional to 319,515.14, 440,927.88 and 176,276.36

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Solution

The fourth proportional to 319,515.14, 440,927.88 and 176,276.36 is: 243,259.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,515.14 : 440,927.88 = 176,276.36 : x
  2. Step 2: Convert to fraction form
    319,515.14/440,927.88 = 176,276.36/x
  3. Step 3: Cross multiply
    319,515.14x = 440,927.88 × 176,276.36
  4. Step 4: Simplify right side
    319,515.14x = 77,725,161,708.92
  5. Step 5: Solve for x
    x = 77,725,161,708.92/319,515.14
  6. Step 6: Final answer
    x = 243,259.71

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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.