Home / 422,975.19-634,502.94-153,171.48

Finding the Fourth Proportional to 422,975.19, 634,502.94 and 153,171.48

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Solution

The fourth proportional to 422,975.19, 634,502.94 and 153,171.48 is: 229,771.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,975.19 : 634,502.94 = 153,171.48 : x
  2. Step 2: Convert to fraction form
    422,975.19/634,502.94 = 153,171.48/x
  3. Step 3: Cross multiply
    422,975.19x = 634,502.94 × 153,171.48
  4. Step 4: Simplify right side
    422,975.19x = 97,187,754,384.15
  5. Step 5: Solve for x
    x = 97,187,754,384.15/422,975.19
  6. Step 6: Final answer
    x = 229,771.76

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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.