Home / 198,220.08-273,543.90-107,576.07

Finding the Fourth Proportional to 198,220.08, 273,543.90 and 107,576.07

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Solution

The fourth proportional to 198,220.08, 273,543.90 and 107,576.07 is: 148,455.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,220.08 : 273,543.90 = 107,576.07 : x
  2. Step 2: Convert to fraction form
    198,220.08/273,543.90 = 107,576.07/x
  3. Step 3: Cross multiply
    198,220.08x = 273,543.90 × 107,576.07
  4. Step 4: Simplify right side
    198,220.08x = 29,426,777,734.47
  5. Step 5: Solve for x
    x = 29,426,777,734.47/198,220.08
  6. Step 6: Final answer
    x = 148,455.08

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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.