Home / 168,666.20-253,193.70-102,181.40

Finding the Fourth Proportional to 168,666.20, 253,193.70 and 102,181.40

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Solution

The fourth proportional to 168,666.20, 253,193.70 and 102,181.40 is: 153,389.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,666.20 : 253,193.70 = 102,181.40 : x
  2. Step 2: Convert to fraction form
    168,666.20/253,193.70 = 102,181.40/x
  3. Step 3: Cross multiply
    168,666.20x = 253,193.70 × 102,181.40
  4. Step 4: Simplify right side
    168,666.20x = 25,871,686,737.18
  5. Step 5: Solve for x
    x = 25,871,686,737.18/168,666.20
  6. Step 6: Final answer
    x = 153,389.87

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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.