Home / 330,769.17-456,461.44-187,529.20

Finding the Fourth Proportional to 330,769.17, 456,461.44 and 187,529.20

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Solution

The fourth proportional to 330,769.17, 456,461.44 and 187,529.20 is: 258,790.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,769.17 : 456,461.44 = 187,529.20 : x
  2. Step 2: Convert to fraction form
    330,769.17/456,461.44 = 187,529.20/x
  3. Step 3: Cross multiply
    330,769.17x = 456,461.44 × 187,529.20
  4. Step 4: Simplify right side
    330,769.17x = 85,599,848,674.05
  5. Step 5: Solve for x
    x = 85,599,848,674.05/330,769.17
  6. Step 6: Final answer
    x = 258,790.29

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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.