Home / 198,061.16-273,359.34-117,533.09

Finding the Fourth Proportional to 198,061.16, 273,359.34 and 117,533.09

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Solution

The fourth proportional to 198,061.16, 273,359.34 and 117,533.09 is: 162,216.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,061.16 : 273,359.34 = 117,533.09 : x
  2. Step 2: Convert to fraction form
    198,061.16/273,359.34 = 117,533.09/x
  3. Step 3: Cross multiply
    198,061.16x = 273,359.34 × 117,533.09
  4. Step 4: Simplify right side
    198,061.16x = 32,128,766,543.76
  5. Step 5: Solve for x
    x = 32,128,766,543.76/198,061.16
  6. Step 6: Final answer
    x = 162,216.39

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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.