Home / 274,350.16-378,617.94-153,484.24

Finding the Fourth Proportional to 274,350.16, 378,617.94 and 153,484.24

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Solution

The fourth proportional to 274,350.16, 378,617.94 and 153,484.24 is: 211,816.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,350.16 : 378,617.94 = 153,484.24 : x
  2. Step 2: Convert to fraction form
    274,350.16/378,617.94 = 153,484.24/x
  3. Step 3: Cross multiply
    274,350.16x = 378,617.94 × 153,484.24
  4. Step 4: Simplify right side
    274,350.16x = 58,111,886,771.27
  5. Step 5: Solve for x
    x = 58,111,886,771.27/274,350.16
  6. Step 6: Final answer
    x = 211,816.49

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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.