Home / 198,230.09-273,784.55-130,549.59

Finding the Fourth Proportional to 198,230.09, 273,784.55 and 130,549.59

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Solution

The fourth proportional to 198,230.09, 273,784.55 and 130,549.59 is: 180,307.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,230.09 : 273,784.55 = 130,549.59 : x
  2. Step 2: Convert to fraction form
    198,230.09/273,784.55 = 130,549.59/x
  3. Step 3: Cross multiply
    198,230.09x = 273,784.55 × 130,549.59
  4. Step 4: Simplify right side
    198,230.09x = 35,742,460,098.09
  5. Step 5: Solve for x
    x = 35,742,460,098.09/198,230.09
  6. Step 6: Final answer
    x = 180,307.95

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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.