Home / 144,038.46-215,768.30-71,773.41

Finding the Fourth Proportional to 144,038.46, 215,768.30 and 71,773.41

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Solution

The fourth proportional to 144,038.46, 215,768.30 and 71,773.41 is: 107,515.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,038.46 : 215,768.30 = 71,773.41 : x
  2. Step 2: Convert to fraction form
    144,038.46/215,768.30 = 71,773.41/x
  3. Step 3: Cross multiply
    144,038.46x = 215,768.30 × 71,773.41
  4. Step 4: Simplify right side
    144,038.46x = 15,486,426,302.04
  5. Step 5: Solve for x
    x = 15,486,426,302.04/144,038.46
  6. Step 6: Final answer
    x = 107,515.91

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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.