Home / 166,109.20-249,115.20-59,480.80

Finding the Fourth Proportional to 166,109.20, 249,115.20 and 59,480.80

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Solution

The fourth proportional to 166,109.20, 249,115.20 and 59,480.80 is: 89,203.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,109.20 : 249,115.20 = 59,480.80 : x
  2. Step 2: Convert to fraction form
    166,109.20/249,115.20 = 59,480.80/x
  3. Step 3: Cross multiply
    166,109.20x = 249,115.20 × 59,480.80
  4. Step 4: Simplify right side
    166,109.20x = 14,817,571,388.16
  5. Step 5: Solve for x
    x = 14,817,571,388.16/166,109.20
  6. Step 6: Final answer
    x = 89,203.80

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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.