Home / 108,221.22-162,244.32-45,088.85

Finding the Fourth Proportional to 108,221.22, 162,244.32 and 45,088.85

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Solution

The fourth proportional to 108,221.22, 162,244.32 and 45,088.85 is: 67,596.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,221.22 : 162,244.32 = 45,088.85 : x
  2. Step 2: Convert to fraction form
    108,221.22/162,244.32 = 45,088.85/x
  3. Step 3: Cross multiply
    108,221.22x = 162,244.32 × 45,088.85
  4. Step 4: Simplify right side
    108,221.22x = 7,315,409,807.83
  5. Step 5: Solve for x
    x = 7,315,409,807.83/108,221.22
  6. Step 6: Final answer
    x = 67,596.82

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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.