Home / 384,743.09-577,143.65-114,849.92

Finding the Fourth Proportional to 384,743.09, 577,143.65 and 114,849.92

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Solution

The fourth proportional to 384,743.09, 577,143.65 and 114,849.92 is: 172,283.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,743.09 : 577,143.65 = 114,849.92 : x
  2. Step 2: Convert to fraction form
    384,743.09/577,143.65 = 114,849.92/x
  3. Step 3: Cross multiply
    384,743.09x = 577,143.65 × 114,849.92
  4. Step 4: Simplify right side
    384,743.09x = 66,284,898,571.04
  5. Step 5: Solve for x
    x = 66,284,898,571.04/384,743.09
  6. Step 6: Final answer
    x = 172,283.53

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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.