Home / 278,682.32-384,741.06-183,465.80

Finding the Fourth Proportional to 278,682.32, 384,741.06 and 183,465.80

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Solution

The fourth proportional to 278,682.32, 384,741.06 and 183,465.80 is: 253,287.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,682.32 : 384,741.06 = 183,465.80 : x
  2. Step 2: Convert to fraction form
    278,682.32/384,741.06 = 183,465.80/x
  3. Step 3: Cross multiply
    278,682.32x = 384,741.06 × 183,465.80
  4. Step 4: Simplify right side
    278,682.32x = 70,586,826,365.75
  5. Step 5: Solve for x
    x = 70,586,826,365.75/278,682.32
  6. Step 6: Final answer
    x = 253,287.78

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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.