Home / 198,156.16-273,490.59-117,628.26

Finding the Fourth Proportional to 198,156.16, 273,490.59 and 117,628.26

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Solution

The fourth proportional to 198,156.16, 273,490.59 and 117,628.26 is: 162,347.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,156.16 : 273,490.59 = 117,628.26 : x
  2. Step 2: Convert to fraction form
    198,156.16/273,490.59 = 117,628.26/x
  3. Step 3: Cross multiply
    198,156.16x = 273,490.59 × 117,628.26
  4. Step 4: Simplify right side
    198,156.16x = 32,170,222,228.07
  5. Step 5: Solve for x
    x = 32,170,222,228.07/198,156.16
  6. Step 6: Final answer
    x = 162,347.83

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1.5x scale

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.