Home / 166,511.70-249,767.55-124,521.30

Finding the Fourth Proportional to 166,511.70, 249,767.55 and 124,521.30

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Solution

The fourth proportional to 166,511.70, 249,767.55 and 124,521.30 is: 186,781.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,511.70 : 249,767.55 = 124,521.30 : x
  2. Step 2: Convert to fraction form
    166,511.70/249,767.55 = 124,521.30/x
  3. Step 3: Cross multiply
    166,511.70x = 249,767.55 × 124,521.30
  4. Step 4: Simplify right side
    166,511.70x = 31,101,380,023.82
  5. Step 5: Solve for x
    x = 31,101,380,023.82/166,511.70
  6. Step 6: Final answer
    x = 186,781.95

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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.