Home / 319,513.68-440,930.37-176,273.69

Finding the Fourth Proportional to 319,513.68, 440,930.37 and 176,273.69

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Solution

The fourth proportional to 319,513.68, 440,930.37 and 176,273.69 is: 243,258.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,513.68 : 440,930.37 = 176,273.69 : x
  2. Step 2: Convert to fraction form
    319,513.68/440,930.37 = 176,273.69/x
  3. Step 3: Cross multiply
    319,513.68x = 440,930.37 × 176,273.69
  4. Step 4: Simplify right side
    319,513.68x = 77,724,421,148.31
  5. Step 5: Solve for x
    x = 77,724,421,148.31/319,513.68
  6. Step 6: Final answer
    x = 243,258.51

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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.