Home / 153,110.64-211,351.77-102,104.94

Finding the Fourth Proportional to 153,110.64, 211,351.77 and 102,104.94

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Solution

The fourth proportional to 153,110.64, 211,351.77 and 102,104.94 is: 140,944.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,110.64 : 211,351.77 = 102,104.94 : x
  2. Step 2: Convert to fraction form
    153,110.64/211,351.77 = 102,104.94/x
  3. Step 3: Cross multiply
    153,110.64x = 211,351.77 × 102,104.94
  4. Step 4: Simplify right side
    153,110.64x = 21,580,059,794.74
  5. Step 5: Solve for x
    x = 21,580,059,794.74/153,110.64
  6. Step 6: Final answer
    x = 140,944.22

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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.