Home / 116,622.05-160,791.30-76,271.90

Finding the Fourth Proportional to 116,622.05, 160,791.30 and 76,271.90

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Solution

The fourth proportional to 116,622.05, 160,791.30 and 76,271.90 is: 105,159.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,622.05 : 160,791.30 = 76,271.90 : x
  2. Step 2: Convert to fraction form
    116,622.05/160,791.30 = 76,271.90/x
  3. Step 3: Cross multiply
    116,622.05x = 160,791.30 × 76,271.90
  4. Step 4: Simplify right side
    116,622.05x = 12,263,857,954.47
  5. Step 5: Solve for x
    x = 12,263,857,954.47/116,622.05
  6. Step 6: Final answer
    x = 105,159.00

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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.