Home / 273,961.32-378,068.03-153,104.63

Finding the Fourth Proportional to 273,961.32, 378,068.03 and 153,104.63

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Solution

The fourth proportional to 273,961.32, 378,068.03 and 153,104.63 is: 211,285.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,961.32 : 378,068.03 = 153,104.63 : x
  2. Step 2: Convert to fraction form
    273,961.32/378,068.03 = 153,104.63/x
  3. Step 3: Cross multiply
    273,961.32x = 378,068.03 × 153,104.63
  4. Step 4: Simplify right side
    273,961.32x = 57,883,963,192.12
  5. Step 5: Solve for x
    x = 57,883,963,192.12/273,961.32
  6. Step 6: Final answer
    x = 211,285.17

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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.