Home / 166,848.60-249,976.98-138,603

Finding the Fourth Proportional to 166,848.60, 249,976.98 and 138,603

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Solution

The fourth proportional to 166,848.60, 249,976.98 and 138,603 is: 207,658.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,848.60 : 249,976.98 = 138,603 : x
  2. Step 2: Convert to fraction form
    166,848.60/249,976.98 = 138,603/x
  3. Step 3: Cross multiply
    166,848.60x = 249,976.98 × 138,603
  4. Step 4: Simplify right side
    166,848.60x = 34,647,559,358.94
  5. Step 5: Solve for x
    x = 34,647,559,358.94/166,848.60
  6. Step 6: Final answer
    x = 207,658.68

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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.