Home / 114,172.44-157,519.22-66,386.48

Finding the Fourth Proportional to 114,172.44, 157,519.22 and 66,386.48

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Solution

The fourth proportional to 114,172.44, 157,519.22 and 66,386.48 is: 91,590.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,172.44 : 157,519.22 = 66,386.48 : x
  2. Step 2: Convert to fraction form
    114,172.44/157,519.22 = 66,386.48/x
  3. Step 3: Cross multiply
    114,172.44x = 157,519.22 × 66,386.48
  4. Step 4: Simplify right side
    114,172.44x = 10,457,146,548.15
  5. Step 5: Solve for x
    x = 10,457,146,548.15/114,172.44
  6. Step 6: Final answer
    x = 91,590.81

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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.