Home / 330,905.13-456,647.02-180,002.73

Finding the Fourth Proportional to 330,905.13, 456,647.02 and 180,002.73

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Solution

The fourth proportional to 330,905.13, 456,647.02 and 180,002.73 is: 248,402.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,905.13 : 456,647.02 = 180,002.73 : x
  2. Step 2: Convert to fraction form
    330,905.13/456,647.02 = 180,002.73/x
  3. Step 3: Cross multiply
    330,905.13x = 456,647.02 × 180,002.73
  4. Step 4: Simplify right side
    330,905.13x = 82,197,710,246.36
  5. Step 5: Solve for x
    x = 82,197,710,246.36/330,905.13
  6. Step 6: Final answer
    x = 248,402.65

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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.