Home / 121,885.10-182,827.65-110,998.70

Finding the Fourth Proportional to 121,885.10, 182,827.65 and 110,998.70

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Solution

The fourth proportional to 121,885.10, 182,827.65 and 110,998.70 is: 166,498.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,885.10 : 182,827.65 = 110,998.70 : x
  2. Step 2: Convert to fraction form
    121,885.10/182,827.65 = 110,998.70/x
  3. Step 3: Cross multiply
    121,885.10x = 182,827.65 × 110,998.70
  4. Step 4: Simplify right side
    121,885.10x = 20,293,631,474.06
  5. Step 5: Solve for x
    x = 20,293,631,474.06/121,885.10
  6. Step 6: Final answer
    x = 166,498.05

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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.