Home / 120,654.50-166,503.35-70,363.22

Finding the Fourth Proportional to 120,654.50, 166,503.35 and 70,363.22

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Solution

The fourth proportional to 120,654.50, 166,503.35 and 70,363.22 is: 97,101.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,654.50 : 166,503.35 = 70,363.22 : x
  2. Step 2: Convert to fraction form
    120,654.50/166,503.35 = 70,363.22/x
  3. Step 3: Cross multiply
    120,654.50x = 166,503.35 × 70,363.22
  4. Step 4: Simplify right side
    120,654.50x = 11,715,711,846.79
  5. Step 5: Solve for x
    x = 11,715,711,846.79/120,654.50
  6. Step 6: Final answer
    x = 97,101.33

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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.