Home / 115,250.14-172,898.70-65,352.52

Finding the Fourth Proportional to 115,250.14, 172,898.70 and 65,352.52

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Solution

The fourth proportional to 115,250.14, 172,898.70 and 65,352.52 is: 98,042.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,250.14 : 172,898.70 = 65,352.52 : x
  2. Step 2: Convert to fraction form
    115,250.14/172,898.70 = 65,352.52/x
  3. Step 3: Cross multiply
    115,250.14x = 172,898.70 × 65,352.52
  4. Step 4: Simplify right side
    115,250.14x = 11,299,365,749.72
  5. Step 5: Solve for x
    x = 11,299,365,749.72/115,250.14
  6. Step 6: Final answer
    x = 98,042.10

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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.