Home / 166,022.29-249,065.43-53,730.37

Finding the Fourth Proportional to 166,022.29, 249,065.43 and 53,730.37

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Solution

The fourth proportional to 166,022.29, 249,065.43 and 53,730.37 is: 80,605.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,022.29 : 249,065.43 = 53,730.37 : x
  2. Step 2: Convert to fraction form
    166,022.29/249,065.43 = 53,730.37/x
  3. Step 3: Cross multiply
    166,022.29x = 249,065.43 × 53,730.37
  4. Step 4: Simplify right side
    166,022.29x = 13,382,376,194.13
  5. Step 5: Solve for x
    x = 13,382,376,194.13/166,022.29
  6. Step 6: Final answer
    x = 80,605.90

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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.