Home / 110,925.60-166,169.70-66,420.15

Finding the Fourth Proportional to 110,925.60, 166,169.70 and 66,420.15

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Solution

The fourth proportional to 110,925.60, 166,169.70 and 66,420.15 is: 99,499.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,925.60 : 166,169.70 = 66,420.15 : x
  2. Step 2: Convert to fraction form
    110,925.60/166,169.70 = 66,420.15/x
  3. Step 3: Cross multiply
    110,925.60x = 166,169.70 × 66,420.15
  4. Step 4: Simplify right side
    110,925.60x = 11,037,016,399.46
  5. Step 5: Solve for x
    x = 11,037,016,399.46/110,925.60
  6. Step 6: Final answer
    x = 99,499.27

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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.