Home / 280,198.67-386,557.15-183,426.19

Finding the Fourth Proportional to 280,198.67, 386,557.15 and 183,426.19

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Solution

The fourth proportional to 280,198.67, 386,557.15 and 183,426.19 is: 253,051.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,198.67 : 386,557.15 = 183,426.19 : x
  2. Step 2: Convert to fraction form
    280,198.67/386,557.15 = 183,426.19/x
  3. Step 3: Cross multiply
    280,198.67x = 386,557.15 × 183,426.19
  4. Step 4: Simplify right side
    280,198.67x = 70,904,704,324.63
  5. Step 5: Solve for x
    x = 70,904,704,324.63/280,198.67
  6. Step 6: Final answer
    x = 253,051.54

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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.