Home / 111,101.80-166,458.28-92,501.36

Finding the Fourth Proportional to 111,101.80, 166,458.28 and 92,501.36

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Solution

The fourth proportional to 111,101.80, 166,458.28 and 92,501.36 is: 138,590.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,101.80 : 166,458.28 = 92,501.36 : x
  2. Step 2: Convert to fraction form
    111,101.80/166,458.28 = 92,501.36/x
  3. Step 3: Cross multiply
    111,101.80x = 166,458.28 × 92,501.36
  4. Step 4: Simplify right side
    111,101.80x = 15,397,617,283.26
  5. Step 5: Solve for x
    x = 15,397,617,283.26/111,101.80
  6. Step 6: Final answer
    x = 138,590.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.