Home / 319,171.05-440,332.47-183,155.85

Finding the Fourth Proportional to 319,171.05, 440,332.47 and 183,155.85

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Solution

The fourth proportional to 319,171.05, 440,332.47 and 183,155.85 is: 252,684.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,171.05 : 440,332.47 = 183,155.85 : x
  2. Step 2: Convert to fraction form
    319,171.05/440,332.47 = 183,155.85/x
  3. Step 3: Cross multiply
    319,171.05x = 440,332.47 × 183,155.85
  4. Step 4: Simplify right side
    319,171.05x = 80,649,467,825.45
  5. Step 5: Solve for x
    x = 80,649,467,825.45/319,171.05
  6. Step 6: Final answer
    x = 252,684.16

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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.