Home / 330,463.17-456,033.27-187,220.14

Finding the Fourth Proportional to 330,463.17, 456,033.27 and 187,220.14

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Solution

The fourth proportional to 330,463.17, 456,033.27 and 187,220.14 is: 258,360.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,463.17 : 456,033.27 = 187,220.14 : x
  2. Step 2: Convert to fraction form
    330,463.17/456,033.27 = 187,220.14/x
  3. Step 3: Cross multiply
    330,463.17x = 456,033.27 × 187,220.14
  4. Step 4: Simplify right side
    330,463.17x = 85,378,612,654.06
  5. Step 5: Solve for x
    x = 85,378,612,654.06/330,463.17
  6. Step 6: Final answer
    x = 258,360.45

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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.