Home / 119,011.02-164,245.83-65,306.49

Finding the Fourth Proportional to 119,011.02, 164,245.83 and 65,306.49

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Solution

The fourth proportional to 119,011.02, 164,245.83 and 65,306.49 is: 90,128.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,011.02 : 164,245.83 = 65,306.49 : x
  2. Step 2: Convert to fraction form
    119,011.02/164,245.83 = 65,306.49/x
  3. Step 3: Cross multiply
    119,011.02x = 164,245.83 × 65,306.49
  4. Step 4: Simplify right side
    119,011.02x = 10,726,318,654.44
  5. Step 5: Solve for x
    x = 10,726,318,654.44/119,011.02
  6. Step 6: Final answer
    x = 90,128.79

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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.