Home / 143,559.75-215,323.19-38,386.92

Finding the Fourth Proportional to 143,559.75, 215,323.19 and 38,386.92

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Solution

The fourth proportional to 143,559.75, 215,323.19 and 38,386.92 is: 57,575.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,559.75 : 215,323.19 = 38,386.92 : x
  2. Step 2: Convert to fraction form
    143,559.75/215,323.19 = 38,386.92/x
  3. Step 3: Cross multiply
    143,559.75x = 215,323.19 × 38,386.92
  4. Step 4: Simplify right side
    143,559.75x = 8,265,593,903.31
  5. Step 5: Solve for x
    x = 8,265,593,903.31/143,559.75
  6. Step 6: Final answer
    x = 57,575.98

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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.