Home / 273,949.35-378,048.99-153,090.60

Finding the Fourth Proportional to 273,949.35, 378,048.99 and 153,090.60

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Solution

The fourth proportional to 273,949.35, 378,048.99 and 153,090.60 is: 211,264.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,949.35 : 378,048.99 = 153,090.60 : x
  2. Step 2: Convert to fraction form
    273,949.35/378,048.99 = 153,090.60/x
  3. Step 3: Cross multiply
    273,949.35x = 378,048.99 × 153,090.60
  4. Step 4: Simplify right side
    273,949.35x = 57,875,746,708.49
  5. Step 5: Solve for x
    x = 57,875,746,708.49/273,949.35
  6. Step 6: Final answer
    x = 211,264.41

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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.