Home / 210,968.66-291,137.68-114,172.53

Finding the Fourth Proportional to 210,968.66, 291,137.68 and 114,172.53

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Solution

The fourth proportional to 210,968.66, 291,137.68 and 114,172.53 is: 157,558.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,968.66 : 291,137.68 = 114,172.53 : x
  2. Step 2: Convert to fraction form
    210,968.66/291,137.68 = 114,172.53/x
  3. Step 3: Cross multiply
    210,968.66x = 291,137.68 × 114,172.53
  4. Step 4: Simplify right side
    210,968.66x = 33,239,925,503.93
  5. Step 5: Solve for x
    x = 33,239,925,503.93/210,968.66
  6. Step 6: Final answer
    x = 157,558.59

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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.