Home / 199,780.59-275,705.61-114,897.72

Finding the Fourth Proportional to 199,780.59, 275,705.61 and 114,897.72

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Solution

The fourth proportional to 199,780.59, 275,705.61 and 114,897.72 is: 158,563.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,780.59 : 275,705.61 = 114,897.72 : x
  2. Step 2: Convert to fraction form
    199,780.59/275,705.61 = 114,897.72/x
  3. Step 3: Cross multiply
    199,780.59x = 275,705.61 × 114,897.72
  4. Step 4: Simplify right side
    199,780.59x = 31,677,945,980.21
  5. Step 5: Solve for x
    x = 31,677,945,980.21/199,780.59
  6. Step 6: Final answer
    x = 158,563.68

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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.