Home / 273,914.64-378,002.70-153,056.16

Finding the Fourth Proportional to 273,914.64, 378,002.70 and 153,056.16

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Solution

The fourth proportional to 273,914.64, 378,002.70 and 153,056.16 is: 211,217.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,914.64 : 378,002.70 = 153,056.16 : x
  2. Step 2: Convert to fraction form
    273,914.64/378,002.70 = 153,056.16/x
  3. Step 3: Cross multiply
    273,914.64x = 378,002.70 × 153,056.16
  4. Step 4: Simplify right side
    273,914.64x = 57,855,641,731.63
  5. Step 5: Solve for x
    x = 57,855,641,731.63/273,914.64
  6. Step 6: Final answer
    x = 211,217.78

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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.