Home / 114,570.90-158,072.07-66,166.62

Finding the Fourth Proportional to 114,570.90, 158,072.07 and 66,166.62

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Solution

The fourth proportional to 114,570.90, 158,072.07 and 66,166.62 is: 91,289.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,570.90 : 158,072.07 = 66,166.62 : x
  2. Step 2: Convert to fraction form
    114,570.90/158,072.07 = 66,166.62/x
  3. Step 3: Cross multiply
    114,570.90x = 158,072.07 × 66,166.62
  4. Step 4: Simplify right side
    114,570.90x = 10,459,094,588.30
  5. Step 5: Solve for x
    x = 10,459,094,588.30/114,570.90
  6. Step 6: Final answer
    x = 91,289.28

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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.