Home / 316,983.69-437,448.33-173,743.70

Finding the Fourth Proportional to 316,983.69, 437,448.33 and 173,743.70

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Solution

The fourth proportional to 316,983.69, 437,448.33 and 173,743.70 is: 239,772.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,983.69 : 437,448.33 = 173,743.70 : x
  2. Step 2: Convert to fraction form
    316,983.69/437,448.33 = 173,743.70/x
  3. Step 3: Cross multiply
    316,983.69x = 437,448.33 × 173,743.70
  4. Step 4: Simplify right side
    316,983.69x = 76,003,889,225.78
  5. Step 5: Solve for x
    x = 76,003,889,225.78/316,983.69
  6. Step 6: Final answer
    x = 239,772.24

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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.