Home / 166,885.74-230,300.55-91,434.06

Finding the Fourth Proportional to 166,885.74, 230,300.55 and 91,434.06

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Solution

The fourth proportional to 166,885.74, 230,300.55 and 91,434.06 is: 126,178.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,885.74 : 230,300.55 = 91,434.06 : x
  2. Step 2: Convert to fraction form
    166,885.74/230,300.55 = 91,434.06/x
  3. Step 3: Cross multiply
    166,885.74x = 230,300.55 × 91,434.06
  4. Step 4: Simplify right side
    166,885.74x = 21,057,314,306.73
  5. Step 5: Solve for x
    x = 21,057,314,306.73/166,885.74
  6. Step 6: Final answer
    x = 126,178.03

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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.