Home / 198,384.63-273,854.55-133,941.17

Finding the Fourth Proportional to 198,384.63, 273,854.55 and 133,941.17

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Solution

The fourth proportional to 198,384.63, 273,854.55 and 133,941.17 is: 184,895.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,384.63 : 273,854.55 = 133,941.17 : x
  2. Step 2: Convert to fraction form
    198,384.63/273,854.55 = 133,941.17/x
  3. Step 3: Cross multiply
    198,384.63x = 273,854.55 × 133,941.17
  4. Step 4: Simplify right side
    198,384.63x = 36,680,397,467.55
  5. Step 5: Solve for x
    x = 36,680,397,467.55/198,384.63
  6. Step 6: Final answer
    x = 184,895.36

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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.