Home / 210,913.97-291,060.51-114,117.53

Finding the Fourth Proportional to 210,913.97, 291,060.51 and 114,117.53

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Solution

The fourth proportional to 210,913.97, 291,060.51 and 114,117.53 is: 157,481.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,913.97 : 291,060.51 = 114,117.53 : x
  2. Step 2: Convert to fraction form
    210,913.97/291,060.51 = 114,117.53/x
  3. Step 3: Cross multiply
    210,913.97x = 291,060.51 × 114,117.53
  4. Step 4: Simplify right side
    210,913.97x = 33,215,106,481.74
  5. Step 5: Solve for x
    x = 33,215,106,481.74/210,913.97
  6. Step 6: Final answer
    x = 157,481.78

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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.