Home / 104,273.70-143,842.23-63,450.30

Finding the Fourth Proportional to 104,273.70, 143,842.23 and 63,450.30

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Solution

The fourth proportional to 104,273.70, 143,842.23 and 63,450.30 is: 87,527.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,273.70 : 143,842.23 = 63,450.30 : x
  2. Step 2: Convert to fraction form
    104,273.70/143,842.23 = 63,450.30/x
  3. Step 3: Cross multiply
    104,273.70x = 143,842.23 × 63,450.30
  4. Step 4: Simplify right side
    104,273.70x = 9,126,832,646.17
  5. Step 5: Solve for x
    x = 9,126,832,646.17/104,273.70
  6. Step 6: Final answer
    x = 87,527.66

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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.