Home / 199,493.15-275,191.63-127,792.35

Finding the Fourth Proportional to 199,493.15, 275,191.63 and 127,792.35

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Solution

The fourth proportional to 199,493.15, 275,191.63 and 127,792.35 is: 176,283.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,493.15 : 275,191.63 = 127,792.35 : x
  2. Step 2: Convert to fraction form
    199,493.15/275,191.63 = 127,792.35/x
  3. Step 3: Cross multiply
    199,493.15x = 275,191.63 × 127,792.35
  4. Step 4: Simplify right side
    199,493.15x = 35,167,384,778.55
  5. Step 5: Solve for x
    x = 35,167,384,778.55/199,493.15
  6. Step 6: Final answer
    x = 176,283.68

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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.