Home / 330,903.13-456,644.27-180,000.73

Finding the Fourth Proportional to 330,903.13, 456,644.27 and 180,000.73

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Solution

The fourth proportional to 330,903.13, 456,644.27 and 180,000.73 is: 248,399.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,903.13 : 456,644.27 = 180,000.73 : x
  2. Step 2: Convert to fraction form
    330,903.13/456,644.27 = 180,000.73/x
  3. Step 3: Cross multiply
    330,903.13x = 456,644.27 × 180,000.73
  4. Step 4: Simplify right side
    330,903.13x = 82,196,301,050.31
  5. Step 5: Solve for x
    x = 82,196,301,050.31/330,903.13
  6. Step 6: Final answer
    x = 248,399.89

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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.