Home / 185,896.14-278,114.28-143,455.59

Finding the Fourth Proportional to 185,896.14, 278,114.28 and 143,455.59

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Solution

The fourth proportional to 185,896.14, 278,114.28 and 143,455.59 is: 214,620.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,896.14 : 278,114.28 = 143,455.59 : x
  2. Step 2: Convert to fraction form
    185,896.14/278,114.28 = 143,455.59/x
  3. Step 3: Cross multiply
    185,896.14x = 278,114.28 × 143,455.59
  4. Step 4: Simplify right side
    185,896.14x = 39,897,048,124.83
  5. Step 5: Solve for x
    x = 39,897,048,124.83/185,896.14
  6. Step 6: Final answer
    x = 214,620.10

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1.5x scale

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.