Home / 166,554.09-249,720.17-91,709.48

Finding the Fourth Proportional to 166,554.09, 249,720.17 and 91,709.48

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Solution

The fourth proportional to 166,554.09, 249,720.17 and 91,709.48 is: 137,503.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,554.09 : 249,720.17 = 91,709.48 : x
  2. Step 2: Convert to fraction form
    166,554.09/249,720.17 = 91,709.48/x
  3. Step 3: Cross multiply
    166,554.09x = 249,720.17 × 91,709.48
  4. Step 4: Simplify right side
    166,554.09x = 22,901,705,229.06
  5. Step 5: Solve for x
    x = 22,901,705,229.06/166,554.09
  6. Step 6: Final answer
    x = 137,503.11

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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.