Home / 331,047.50-456,845.55-180,145.58

Finding the Fourth Proportional to 331,047.50, 456,845.55 and 180,145.58

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Solution

The fourth proportional to 331,047.50, 456,845.55 and 180,145.58 is: 248,600.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,047.50 : 456,845.55 = 180,145.58 : x
  2. Step 2: Convert to fraction form
    331,047.50/456,845.55 = 180,145.58/x
  3. Step 3: Cross multiply
    331,047.50x = 456,845.55 × 180,145.58
  4. Step 4: Simplify right side
    331,047.50x = 82,298,706,575.17
  5. Step 5: Solve for x
    x = 82,298,706,575.17/331,047.50
  6. Step 6: Final answer
    x = 248,600.90

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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.