Home / 202,543.02-303,437.21-126,665.06

Finding the Fourth Proportional to 202,543.02, 303,437.21 and 126,665.06

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Solution

The fourth proportional to 202,543.02, 303,437.21 and 126,665.06 is: 189,761.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,543.02 : 303,437.21 = 126,665.06 : x
  2. Step 2: Convert to fraction form
    202,543.02/303,437.21 = 126,665.06/x
  3. Step 3: Cross multiply
    202,543.02x = 303,437.21 × 126,665.06
  4. Step 4: Simplify right side
    202,543.02x = 38,434,890,260.37
  5. Step 5: Solve for x
    x = 38,434,890,260.37/202,543.02
  6. Step 6: Final answer
    x = 189,761.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.