Home / 143,564.28-215,347.23-127,842.18

Finding the Fourth Proportional to 143,564.28, 215,347.23 and 127,842.18

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Solution

The fourth proportional to 143,564.28, 215,347.23 and 127,842.18 is: 191,763.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,564.28 : 215,347.23 = 127,842.18 : x
  2. Step 2: Convert to fraction form
    143,564.28/215,347.23 = 127,842.18/x
  3. Step 3: Cross multiply
    143,564.28x = 215,347.23 × 127,842.18
  4. Step 4: Simplify right side
    143,564.28x = 27,530,459,340.16
  5. Step 5: Solve for x
    x = 27,530,459,340.16/143,564.28
  6. Step 6: Final answer
    x = 191,763.99

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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.