Home / 316,934.16-437,369.76-173,699.52

Finding the Fourth Proportional to 316,934.16, 437,369.76 and 173,699.52

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Solution

The fourth proportional to 316,934.16, 437,369.76 and 173,699.52 is: 239,705.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,934.16 : 437,369.76 = 173,699.52 : x
  2. Step 2: Convert to fraction form
    316,934.16/437,369.76 = 173,699.52/x
  3. Step 3: Cross multiply
    316,934.16x = 437,369.76 × 173,699.52
  4. Step 4: Simplify right side
    316,934.16x = 75,970,917,374.52
  5. Step 5: Solve for x
    x = 75,970,917,374.52/316,934.16
  6. Step 6: Final answer
    x = 239,705.68

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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.