Home / 291,374.04-401,900.22-177,999.96

Finding the Fourth Proportional to 291,374.04, 401,900.22 and 177,999.96

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Solution

The fourth proportional to 291,374.04, 401,900.22 and 177,999.96 is: 245,520.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,374.04 : 401,900.22 = 177,999.96 : x
  2. Step 2: Convert to fraction form
    291,374.04/401,900.22 = 177,999.96/x
  3. Step 3: Cross multiply
    291,374.04x = 401,900.22 × 177,999.96
  4. Step 4: Simplify right side
    291,374.04x = 71,538,223,083.99
  5. Step 5: Solve for x
    x = 71,538,223,083.99/291,374.04
  6. Step 6: Final answer
    x = 245,520.24

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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.