Home / 331,143.30-456,982.53-185,980.49

Finding the Fourth Proportional to 331,143.30, 456,982.53 and 185,980.49

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Solution

The fourth proportional to 331,143.30, 456,982.53 and 185,980.49 is: 256,655.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,143.30 : 456,982.53 = 185,980.49 : x
  2. Step 2: Convert to fraction form
    331,143.30/456,982.53 = 185,980.49/x
  3. Step 3: Cross multiply
    331,143.30x = 456,982.53 × 185,980.49
  4. Step 4: Simplify right side
    331,143.30x = 84,989,837,079.29
  5. Step 5: Solve for x
    x = 84,989,837,079.29/331,143.30
  6. Step 6: Final answer
    x = 256,655.76

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1.5x scale

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.