Home / 541,363.40-811,968.30-167,424.20

Finding the Fourth Proportional to 541,363.40, 811,968.30 and 167,424.20

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Solution

The fourth proportional to 541,363.40, 811,968.30 and 167,424.20 is: 251,112.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,363.40 : 811,968.30 = 167,424.20 : x
  2. Step 2: Convert to fraction form
    541,363.40/811,968.30 = 167,424.20/x
  3. Step 3: Cross multiply
    541,363.40x = 811,968.30 × 167,424.20
  4. Step 4: Simplify right side
    541,363.40x = 135,943,143,052.86
  5. Step 5: Solve for x
    x = 135,943,143,052.86/541,363.40
  6. Step 6: Final answer
    x = 251,112.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.