Home / 291,134.24-401,777.03-162,078.01

Finding the Fourth Proportional to 291,134.24, 401,777.03 and 162,078.01

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Solution

The fourth proportional to 291,134.24, 401,777.03 and 162,078.01 is: 223,674.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,134.24 : 401,777.03 = 162,078.01 : x
  2. Step 2: Convert to fraction form
    291,134.24/401,777.03 = 162,078.01/x
  3. Step 3: Cross multiply
    291,134.24x = 401,777.03 × 162,078.01
  4. Step 4: Simplify right side
    291,134.24x = 65,119,220,886.86
  5. Step 5: Solve for x
    x = 65,119,220,886.86/291,134.24
  6. Step 6: Final answer
    x = 223,674.21

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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.