Home / 330,768.17-456,460.07-187,528.20

Finding the Fourth Proportional to 330,768.17, 456,460.07 and 187,528.20

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Solution

The fourth proportional to 330,768.17, 456,460.07 and 187,528.20 is: 258,788.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,768.17 : 456,460.07 = 187,528.20 : x
  2. Step 2: Convert to fraction form
    330,768.17/456,460.07 = 187,528.20/x
  3. Step 3: Cross multiply
    330,768.17x = 456,460.07 × 187,528.20
  4. Step 4: Simplify right side
    330,768.17x = 85,599,134,361.33
  5. Step 5: Solve for x
    x = 85,599,134,361.33/330,768.17
  6. Step 6: Final answer
    x = 258,788.91

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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.