Home / 108,832.12-163,311.21-45,646.61

Finding the Fourth Proportional to 108,832.12, 163,311.21 and 45,646.61

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Solution

The fourth proportional to 108,832.12, 163,311.21 and 45,646.61 is: 68,496.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,832.12 : 163,311.21 = 45,646.61 : x
  2. Step 2: Convert to fraction form
    108,832.12/163,311.21 = 45,646.61/x
  3. Step 3: Cross multiply
    108,832.12x = 163,311.21 × 45,646.61
  4. Step 4: Simplify right side
    108,832.12x = 7,454,602,294.94
  5. Step 5: Solve for x
    x = 7,454,602,294.94/108,832.12
  6. Step 6: Final answer
    x = 68,496.35

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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.