Home / 231,707.23-347,427.63-123,503.31

Finding the Fourth Proportional to 231,707.23, 347,427.63 and 123,503.31

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Solution

The fourth proportional to 231,707.23, 347,427.63 and 123,503.31 is: 185,183.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,707.23 : 347,427.63 = 123,503.31 : x
  2. Step 2: Convert to fraction form
    231,707.23/347,427.63 = 123,503.31/x
  3. Step 3: Cross multiply
    231,707.23x = 347,427.63 × 123,503.31
  4. Step 4: Simplify right side
    231,707.23x = 42,908,461,508.70
  5. Step 5: Solve for x
    x = 42,908,461,508.70/231,707.23
  6. Step 6: Final answer
    x = 185,183.96

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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.