Home / 320,529.02-480,818.82-107,298.20

Finding the Fourth Proportional to 320,529.02, 480,818.82 and 107,298.20

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Solution

The fourth proportional to 320,529.02, 480,818.82 and 107,298.20 is: 160,955.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,529.02 : 480,818.82 = 107,298.20 : x
  2. Step 2: Convert to fraction form
    320,529.02/480,818.82 = 107,298.20/x
  3. Step 3: Cross multiply
    320,529.02x = 480,818.82 × 107,298.20
  4. Step 4: Simplify right side
    320,529.02x = 51,590,993,912.12
  5. Step 5: Solve for x
    x = 51,590,993,912.12/320,529.02
  6. Step 6: Final answer
    x = 160,955.77

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1.5x scale

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.