Home / 166,443.84-249,665.76-72,930.24

Finding the Fourth Proportional to 166,443.84, 249,665.76 and 72,930.24

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Solution

The fourth proportional to 166,443.84, 249,665.76 and 72,930.24 is: 109,395.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,443.84 : 249,665.76 = 72,930.24 : x
  2. Step 2: Convert to fraction form
    166,443.84/249,665.76 = 72,930.24/x
  3. Step 3: Cross multiply
    166,443.84x = 249,665.76 × 72,930.24
  4. Step 4: Simplify right side
    166,443.84x = 18,208,183,796.58
  5. Step 5: Solve for x
    x = 18,208,183,796.58/166,443.84
  6. Step 6: Final answer
    x = 109,395.36

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1.5x scale

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.