Home / 175,037.20-261,899.70-115,988.20

Finding the Fourth Proportional to 175,037.20, 261,899.70 and 115,988.20

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Solution

The fourth proportional to 175,037.20, 261,899.70 and 115,988.20 is: 173,547.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,037.20 : 261,899.70 = 115,988.20 : x
  2. Step 2: Convert to fraction form
    175,037.20/261,899.70 = 115,988.20/x
  3. Step 3: Cross multiply
    175,037.20x = 261,899.70 × 115,988.20
  4. Step 4: Simplify right side
    175,037.20x = 30,377,274,783.54
  5. Step 5: Solve for x
    x = 30,377,274,783.54/175,037.20
  6. Step 6: Final answer
    x = 173,547.54

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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.