Home / 130,022.90-194,815.65-111,214.70

Finding the Fourth Proportional to 130,022.90, 194,815.65 and 111,214.70

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Solution

The fourth proportional to 130,022.90, 194,815.65 and 111,214.70 is: 166,634.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,022.90 : 194,815.65 = 111,214.70 : x
  2. Step 2: Convert to fraction form
    130,022.90/194,815.65 = 111,214.70/x
  3. Step 3: Cross multiply
    130,022.90x = 194,815.65 × 111,214.70
  4. Step 4: Simplify right side
    130,022.90x = 21,666,364,070.06
  5. Step 5: Solve for x
    x = 21,666,364,070.06/130,022.90
  6. Step 6: Final answer
    x = 166,634.99

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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.