Home / 143,830.79-215,749.25-37,217.04

Finding the Fourth Proportional to 143,830.79, 215,749.25 and 37,217.04

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Solution

The fourth proportional to 143,830.79, 215,749.25 and 37,217.04 is: 55,826.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,830.79 : 215,749.25 = 37,217.04 : x
  2. Step 2: Convert to fraction form
    143,830.79/215,749.25 = 37,217.04/x
  3. Step 3: Cross multiply
    143,830.79x = 215,749.25 × 37,217.04
  4. Step 4: Simplify right side
    143,830.79x = 8,029,548,281.13
  5. Step 5: Solve for x
    x = 8,029,548,281.13/143,830.79
  6. Step 6: Final answer
    x = 55,826.35

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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.