Home / 111,484.60-166,967.70-76,233.40

Finding the Fourth Proportional to 111,484.60, 166,967.70 and 76,233.40

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Solution

The fourth proportional to 111,484.60, 166,967.70 and 76,233.40 is: 114,172.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,484.60 : 166,967.70 = 76,233.40 : x
  2. Step 2: Convert to fraction form
    111,484.60/166,967.70 = 76,233.40/x
  3. Step 3: Cross multiply
    111,484.60x = 166,967.70 × 76,233.40
  4. Step 4: Simplify right side
    111,484.60x = 12,728,515,461.18
  5. Step 5: Solve for x
    x = 12,728,515,461.18/111,484.60
  6. Step 6: Final answer
    x = 114,172.86

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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.