Home / 278,637.80-384,581.40-183,153.38

Finding the Fourth Proportional to 278,637.80, 384,581.40 and 183,153.38

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Solution

The fourth proportional to 278,637.80, 384,581.40 and 183,153.38 is: 252,791.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,637.80 : 384,581.40 = 183,153.38 : x
  2. Step 2: Convert to fraction form
    278,637.80/384,581.40 = 183,153.38/x
  3. Step 3: Cross multiply
    278,637.80x = 384,581.40 × 183,153.38
  4. Step 4: Simplify right side
    278,637.80x = 70,437,383,295.13
  5. Step 5: Solve for x
    x = 70,437,383,295.13/278,637.80
  6. Step 6: Final answer
    x = 252,791.92

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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.