Home / 166,774.86-249,848.39-82,436.30

Finding the Fourth Proportional to 166,774.86, 249,848.39 and 82,436.30

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Solution

The fourth proportional to 166,774.86, 249,848.39 and 82,436.30 is: 123,499.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,774.86 : 249,848.39 = 82,436.30 : x
  2. Step 2: Convert to fraction form
    166,774.86/249,848.39 = 82,436.30/x
  3. Step 3: Cross multiply
    166,774.86x = 249,848.39 × 82,436.30
  4. Step 4: Simplify right side
    166,774.86x = 20,596,576,726.34
  5. Step 5: Solve for x
    x = 20,596,576,726.34/166,774.86
  6. Step 6: Final answer
    x = 123,499.29

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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.