Home / 317,785.02-476,446.77-149,218.62

Finding the Fourth Proportional to 317,785.02, 476,446.77 and 149,218.62

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Solution

The fourth proportional to 317,785.02, 476,446.77 and 149,218.62 is: 223,719.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,785.02 : 476,446.77 = 149,218.62 : x
  2. Step 2: Convert to fraction form
    317,785.02/476,446.77 = 149,218.62/x
  3. Step 3: Cross multiply
    317,785.02x = 476,446.77 × 149,218.62
  4. Step 4: Simplify right side
    317,785.02x = 71,094,729,522.86
  5. Step 5: Solve for x
    x = 71,094,729,522.86/317,785.02
  6. Step 6: Final answer
    x = 223,719.57

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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.