Home / 166,271.13-249,428.09-76,292.15

Finding the Fourth Proportional to 166,271.13, 249,428.09 and 76,292.15

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Solution

The fourth proportional to 166,271.13, 249,428.09 and 76,292.15 is: 114,448.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,271.13 : 249,428.09 = 76,292.15 : x
  2. Step 2: Convert to fraction form
    166,271.13/249,428.09 = 76,292.15/x
  3. Step 3: Cross multiply
    166,271.13x = 249,428.09 × 76,292.15
  4. Step 4: Simplify right side
    166,271.13x = 19,029,404,200.08
  5. Step 5: Solve for x
    x = 19,029,404,200.08/166,271.13
  6. Step 6: Final answer
    x = 114,448.04

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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.