Home / 330,463.07-456,040.54-187,251.02

Finding the Fourth Proportional to 330,463.07, 456,040.54 and 187,251.02

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Solution

The fourth proportional to 330,463.07, 456,040.54 and 187,251.02 is: 258,407.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,463.07 : 456,040.54 = 187,251.02 : x
  2. Step 2: Convert to fraction form
    330,463.07/456,040.54 = 187,251.02/x
  3. Step 3: Cross multiply
    330,463.07x = 456,040.54 × 187,251.02
  4. Step 4: Simplify right side
    330,463.07x = 85,394,056,276.35
  5. Step 5: Solve for x
    x = 85,394,056,276.35/330,463.07
  6. Step 6: Final answer
    x = 258,407.26

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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.