Home / 274,340.76-378,587.46-151,833.38

Finding the Fourth Proportional to 274,340.76, 378,587.46 and 151,833.38

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Solution

The fourth proportional to 274,340.76, 378,587.46 and 151,833.38 is: 209,528.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,340.76 : 378,587.46 = 151,833.38 : x
  2. Step 2: Convert to fraction form
    274,340.76/378,587.46 = 151,833.38/x
  3. Step 3: Cross multiply
    274,340.76x = 378,587.46 × 151,833.38
  4. Step 4: Simplify right side
    274,340.76x = 57,482,213,677.41
  5. Step 5: Solve for x
    x = 57,482,213,677.41/274,340.76
  6. Step 6: Final answer
    x = 209,528.52

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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.