Home / 166,329.60-249,672.03-71,606.70

Finding the Fourth Proportional to 166,329.60, 249,672.03 and 71,606.70

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Solution

The fourth proportional to 166,329.60, 249,672.03 and 71,606.70 is: 107,486.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,329.60 : 249,672.03 = 71,606.70 : x
  2. Step 2: Convert to fraction form
    166,329.60/249,672.03 = 71,606.70/x
  3. Step 3: Cross multiply
    166,329.60x = 249,672.03 × 71,606.70
  4. Step 4: Simplify right side
    166,329.60x = 17,878,190,150.60
  5. Step 5: Solve for x
    x = 17,878,190,150.60/166,329.60
  6. Step 6: Final answer
    x = 107,486.52

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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.