Home / 150,311.35-207,429.21-84,893.01

Finding the Fourth Proportional to 150,311.35, 207,429.21 and 84,893.01

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Solution

The fourth proportional to 150,311.35, 207,429.21 and 84,893.01 is: 117,152.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,311.35 : 207,429.21 = 84,893.01 : x
  2. Step 2: Convert to fraction form
    150,311.35/207,429.21 = 84,893.01/x
  3. Step 3: Cross multiply
    150,311.35x = 207,429.21 × 84,893.01
  4. Step 4: Simplify right side
    150,311.35x = 17,609,289,998.82
  5. Step 5: Solve for x
    x = 17,609,289,998.82/150,311.35
  6. Step 6: Final answer
    x = 117,152.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.