Home / 166,569.40-249,869.12-54,220.48

Finding the Fourth Proportional to 166,569.40, 249,869.12 and 54,220.48

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Solution

The fourth proportional to 166,569.40, 249,869.12 and 54,220.48 is: 81,335.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,569.40 : 249,869.12 = 54,220.48 : x
  2. Step 2: Convert to fraction form
    166,569.40/249,869.12 = 54,220.48/x
  3. Step 3: Cross multiply
    166,569.40x = 249,869.12 × 54,220.48
  4. Step 4: Simplify right side
    166,569.40x = 13,548,023,623.58
  5. Step 5: Solve for x
    x = 13,548,023,623.58/166,569.40
  6. Step 6: Final answer
    x = 81,335.61

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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.