Home / 199,780.10-275,704.90-114,897.22

Finding the Fourth Proportional to 199,780.10, 275,704.90 and 114,897.22

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Solution

The fourth proportional to 199,780.10, 275,704.90 and 114,897.22 is: 158,562.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,780.10 : 275,704.90 = 114,897.22 : x
  2. Step 2: Convert to fraction form
    199,780.10/275,704.90 = 114,897.22/x
  3. Step 3: Cross multiply
    199,780.10x = 275,704.90 × 114,897.22
  4. Step 4: Simplify right side
    199,780.10x = 31,677,726,550.38
  5. Step 5: Solve for x
    x = 31,677,726,550.38/199,780.10
  6. Step 6: Final answer
    x = 158,562.97

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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.