Home / 291,136.44-401,762.52-162,073.20

Finding the Fourth Proportional to 291,136.44, 401,762.52 and 162,073.20

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Solution

The fourth proportional to 291,136.44, 401,762.52 and 162,073.20 is: 223,657.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,136.44 : 401,762.52 = 162,073.20 : x
  2. Step 2: Convert to fraction form
    291,136.44/401,762.52 = 162,073.20/x
  3. Step 3: Cross multiply
    291,136.44x = 401,762.52 × 162,073.20
  4. Step 4: Simplify right side
    291,136.44x = 65,114,937,256.46
  5. Step 5: Solve for x
    x = 65,114,937,256.46/291,136.44
  6. Step 6: Final answer
    x = 223,657.81

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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.