Home / 170,070.48-234,682.56-98,454.78

Finding the Fourth Proportional to 170,070.48, 234,682.56 and 98,454.78

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Solution

The fourth proportional to 170,070.48, 234,682.56 and 98,454.78 is: 135,859.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,070.48 : 234,682.56 = 98,454.78 : x
  2. Step 2: Convert to fraction form
    170,070.48/234,682.56 = 98,454.78/x
  3. Step 3: Cross multiply
    170,070.48x = 234,682.56 × 98,454.78
  4. Step 4: Simplify right side
    170,070.48x = 23,105,619,814.64
  5. Step 5: Solve for x
    x = 23,105,619,814.64/170,070.48
  6. Step 6: Final answer
    x = 135,859.09

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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.