Home / 166,738.08-249,927.90-72,013.02

Finding the Fourth Proportional to 166,738.08, 249,927.90 and 72,013.02

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Solution

The fourth proportional to 166,738.08, 249,927.90 and 72,013.02 is: 107,942.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,738.08 : 249,927.90 = 72,013.02 : x
  2. Step 2: Convert to fraction form
    166,738.08/249,927.90 = 72,013.02/x
  3. Step 3: Cross multiply
    166,738.08x = 249,927.90 × 72,013.02
  4. Step 4: Simplify right side
    166,738.08x = 17,998,062,861.26
  5. Step 5: Solve for x
    x = 17,998,062,861.26/166,738.08
  6. Step 6: Final answer
    x = 107,942.13

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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.