Home / 120,948.59-166,930.88-69,954.23

Finding the Fourth Proportional to 120,948.59, 166,930.88 and 69,954.23

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Solution

The fourth proportional to 120,948.59, 166,930.88 and 69,954.23 is: 96,549.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,948.59 : 166,930.88 = 69,954.23 : x
  2. Step 2: Convert to fraction form
    120,948.59/166,930.88 = 69,954.23/x
  3. Step 3: Cross multiply
    120,948.59x = 166,930.88 × 69,954.23
  4. Step 4: Simplify right side
    120,948.59x = 11,677,521,241.18
  5. Step 5: Solve for x
    x = 11,677,521,241.18/120,948.59
  6. Step 6: Final answer
    x = 96,549.46

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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.