Home / 291,266.02-436,339.26-178,617.76

Finding the Fourth Proportional to 291,266.02, 436,339.26 and 178,617.76

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Solution

The fourth proportional to 291,266.02, 436,339.26 and 178,617.76 is: 267,583.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,266.02 : 436,339.26 = 178,617.76 : x
  2. Step 2: Convert to fraction form
    291,266.02/436,339.26 = 178,617.76/x
  3. Step 3: Cross multiply
    291,266.02x = 436,339.26 × 178,617.76
  4. Step 4: Simplify right side
    291,266.02x = 77,937,941,221.26
  5. Step 5: Solve for x
    x = 77,937,941,221.26/291,266.02
  6. Step 6: Final answer
    x = 267,583.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.