Home / 108,215.41-149,334.66-59,154.85

Finding the Fourth Proportional to 108,215.41, 149,334.66 and 59,154.85

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Solution

The fourth proportional to 108,215.41, 149,334.66 and 59,154.85 is: 81,632.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,215.41 : 149,334.66 = 59,154.85 : x
  2. Step 2: Convert to fraction form
    108,215.41/149,334.66 = 59,154.85/x
  3. Step 3: Cross multiply
    108,215.41x = 149,334.66 × 59,154.85
  4. Step 4: Simplify right side
    108,215.41x = 8,833,869,412.10
  5. Step 5: Solve for x
    x = 8,833,869,412.10/108,215.41
  6. Step 6: Final answer
    x = 81,632.27

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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.