Home / 166,665.13-249,997.70-42,006.13

Finding the Fourth Proportional to 166,665.13, 249,997.70 and 42,006.13

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Solution

The fourth proportional to 166,665.13, 249,997.70 and 42,006.13 is: 63,009.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,665.13 : 249,997.70 = 42,006.13 : x
  2. Step 2: Convert to fraction form
    166,665.13/249,997.70 = 42,006.13/x
  3. Step 3: Cross multiply
    166,665.13x = 249,997.70 × 42,006.13
  4. Step 4: Simplify right side
    166,665.13x = 10,501,435,885.90
  5. Step 5: Solve for x
    x = 10,501,435,885.90/166,665.13
  6. Step 6: Final answer
    x = 63,009.20

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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.