Home / 175,097.10-262,645.65-81,785.10

Finding the Fourth Proportional to 175,097.10, 262,645.65 and 81,785.10

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Solution

The fourth proportional to 175,097.10, 262,645.65 and 81,785.10 is: 122,677.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,097.10 : 262,645.65 = 81,785.10 : x
  2. Step 2: Convert to fraction form
    175,097.10/262,645.65 = 81,785.10/x
  3. Step 3: Cross multiply
    175,097.10x = 262,645.65 × 81,785.10
  4. Step 4: Simplify right side
    175,097.10x = 21,480,500,749.82
  5. Step 5: Solve for x
    x = 21,480,500,749.82/175,097.10
  6. Step 6: Final answer
    x = 122,677.65

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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.