Home / 166,525.46-249,825.05-77,730.47

Finding the Fourth Proportional to 166,525.46, 249,825.05 and 77,730.47

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Solution

The fourth proportional to 166,525.46, 249,825.05 and 77,730.47 is: 116,612.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,525.46 : 249,825.05 = 77,730.47 : x
  2. Step 2: Convert to fraction form
    166,525.46/249,825.05 = 77,730.47/x
  3. Step 3: Cross multiply
    166,525.46x = 249,825.05 × 77,730.47
  4. Step 4: Simplify right side
    166,525.46x = 19,419,018,554.27
  5. Step 5: Solve for x
    x = 19,419,018,554.27/166,525.46
  6. Step 6: Final answer
    x = 116,612.91

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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.