Home / 330,586.56-456,199.92-187,360.08

Finding the Fourth Proportional to 330,586.56, 456,199.92 and 187,360.08

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Solution

The fourth proportional to 330,586.56, 456,199.92 and 187,360.08 is: 258,551.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,586.56 : 456,199.92 = 187,360.08 : x
  2. Step 2: Convert to fraction form
    330,586.56/456,199.92 = 187,360.08/x
  3. Step 3: Cross multiply
    330,586.56x = 456,199.92 × 187,360.08
  4. Step 4: Simplify right side
    330,586.56x = 85,473,653,507.19
  5. Step 5: Solve for x
    x = 85,473,653,507.19/330,586.56
  6. Step 6: Final answer
    x = 258,551.51

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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.