Home / 306,001.23-422,160.66-176,915.85

Finding the Fourth Proportional to 306,001.23, 422,160.66 and 176,915.85

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Solution

The fourth proportional to 306,001.23, 422,160.66 and 176,915.85 is: 244,073.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,001.23 : 422,160.66 = 176,915.85 : x
  2. Step 2: Convert to fraction form
    306,001.23/422,160.66 = 176,915.85/x
  3. Step 3: Cross multiply
    306,001.23x = 422,160.66 × 176,915.85
  4. Step 4: Simplify right side
    306,001.23x = 74,686,912,000.46
  5. Step 5: Solve for x
    x = 74,686,912,000.46/306,001.23
  6. Step 6: Final answer
    x = 244,073.89

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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.