Home / 273,961.39-378,068.12-153,104.70

Finding the Fourth Proportional to 273,961.39, 378,068.12 and 153,104.70

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Solution

The fourth proportional to 273,961.39, 378,068.12 and 153,104.70 is: 211,285.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,961.39 : 378,068.12 = 153,104.70 : x
  2. Step 2: Convert to fraction form
    273,961.39/378,068.12 = 153,104.70/x
  3. Step 3: Cross multiply
    273,961.39x = 378,068.12 × 153,104.70
  4. Step 4: Simplify right side
    273,961.39x = 57,884,006,092.16
  5. Step 5: Solve for x
    x = 57,884,006,092.16/273,961.39
  6. Step 6: Final answer
    x = 211,285.27

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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.