Home / 166,554.72-249,721.09-91,710.10

Finding the Fourth Proportional to 166,554.72, 249,721.09 and 91,710.10

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Solution

The fourth proportional to 166,554.72, 249,721.09 and 91,710.10 is: 137,504.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,554.72 : 249,721.09 = 91,710.10 : x
  2. Step 2: Convert to fraction form
    166,554.72/249,721.09 = 91,710.10/x
  3. Step 3: Cross multiply
    166,554.72x = 249,721.09 × 91,710.10
  4. Step 4: Simplify right side
    166,554.72x = 22,901,946,136.01
  5. Step 5: Solve for x
    x = 22,901,946,136.01/166,554.72
  6. Step 6: Final answer
    x = 137,504.04

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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.