Home / 291,499.16-436,688.62-178,851.04

Finding the Fourth Proportional to 291,499.16, 436,688.62 and 178,851.04

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Solution

The fourth proportional to 291,499.16, 436,688.62 and 178,851.04 is: 267,932.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,499.16 : 436,688.62 = 178,851.04 : x
  2. Step 2: Convert to fraction form
    291,499.16/436,688.62 = 178,851.04/x
  3. Step 3: Cross multiply
    291,499.16x = 436,688.62 × 178,851.04
  4. Step 4: Simplify right side
    291,499.16x = 78,102,212,304.32
  5. Step 5: Solve for x
    x = 78,102,212,304.32/291,499.16
  6. Step 6: Final answer
    x = 267,932.89

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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.