Home / 331,636.31-497,426.68-118,561.69

Finding the Fourth Proportional to 331,636.31, 497,426.68 and 118,561.69

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Solution

The fourth proportional to 331,636.31, 497,426.68 and 118,561.69 is: 177,832.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,636.31 : 497,426.68 = 118,561.69 : x
  2. Step 2: Convert to fraction form
    331,636.31/497,426.68 = 118,561.69/x
  3. Step 3: Cross multiply
    331,636.31x = 497,426.68 × 118,561.69
  4. Step 4: Simplify right side
    331,636.31x = 58,975,747,831.89
  5. Step 5: Solve for x
    x = 58,975,747,831.89/331,636.31
  6. Step 6: Final answer
    x = 177,832.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.