Home / 111,359.13-166,959.33-52,162.50

Finding the Fourth Proportional to 111,359.13, 166,959.33 and 52,162.50

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Solution

The fourth proportional to 111,359.13, 166,959.33 and 52,162.50 is: 78,206.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,359.13 : 166,959.33 = 52,162.50 : x
  2. Step 2: Convert to fraction form
    111,359.13/166,959.33 = 52,162.50/x
  3. Step 3: Cross multiply
    111,359.13x = 166,959.33 × 52,162.50
  4. Step 4: Simplify right side
    111,359.13x = 8,709,016,051.13
  5. Step 5: Solve for x
    x = 8,709,016,051.13/111,359.13
  6. Step 6: Final answer
    x = 78,206.57

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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.